S. Amir and M. Hafidi, Valorisation de boues de stations d'e´puratione´puration des eaux useés par un bioproce´deáe´robiebioproce´deáe´bioproce´deáe´robie, Annales de Chimie, Sciences des Mate´riauxMate´riaux, vol.26, pp.409-414, 2001.

S. Amir, M. Hafidi, J. R. Bailly, and J. C. Revel, Characterization of humic acids extracted from sewage sludge during composting and of their Sephadex????gel fractions, Agronomie, vol.23, issue.3, pp.269-275, 2003.
DOI : 10.1051/agro:2002090

URL : https://hal.archives-ouvertes.fr/hal-00886179

S. Amir, M. Hafidi, G. Merlina, H. Hamdi, and J. C. Revel, Elemental analysis, FTIR and 13C-NMR of humic acids from sewage sludge composting, Agronomie, vol.24, issue.1, pp.13-18, 2004.
DOI : 10.1051/agro:2003054

URL : https://hal.archives-ouvertes.fr/hal-00886235

B. Chefetz, J. Tarchitzky, A. P. Deshmukh, P. G. Hatcher, and Y. Chen, Structural characterization of soil organic matter and humic acids in particle-size fractions of an agricultural soil, America Journal, vol.66, pp.129-141, 2002.

I. De´portesde´portes, J. L. Benoit, and D. Zmirou, Hazard to man and the environment posed by the use of urban waste compost: a review, Science of The Total Environment, vol.172, issue.2-3, pp.197-222, 1995.
DOI : 10.1016/0048-9697(95)04808-1

M. A. Diaz-burgos, A. Polo, M. Calcinai, G. Masciandaro, and B. Ceccanti, Use of pyrolysis-gas chromatography to evaluate sludge humification, Humic Substances in the Global Environment and Implications on Human Health, pp.1285-1289, 1994.

C. Garcia, T. Hernandez, and F. Costa, Characterization of humic acids from uncomposted and composted sewage sludge by degradative and non-degradative techniques, Bioresource Technology, vol.41, issue.1, pp.53-57, 1992.
DOI : 10.1016/0960-8524(92)90098-I

W. V. Gerasimowisz and D. M. Byler, CARBON-13 CPMAS NMR AND FTIR SPECTROSCOPIC-STUDIES OF HUMIC ACIDS, Soil Science, vol.139, issue.3, pp.270-278, 1985.
DOI : 10.1097/00010694-198503000-00013

F. J. Gonzalez-vila, H. D. Ludemann, and F. Martin, 3C-NMR structural features of soil humic acids and their methylated, hydrolyzed and extracted derivatives, Geoderma, vol.31, issue.1, pp.3-15, 1983.
DOI : 10.1016/0016-7061(83)90080-0

F. J. Gonzalez-vila, G. Almendros, and F. Madrid, Molecular alterations of organic fractions from urban waste in the course of composting and their further transformation in amended soil, Science of The Total Environment, vol.236, issue.1-3, pp.215-229, 1999.
DOI : 10.1016/S0048-9697(99)00284-3

M. Hafidi, S. Amir, and J. C. Revel, Structural characterization of olive mill wastewater after aerobic digestion using elemental analysis, FTIR and 13C-NMR, Process Biochemistry, 2005.

M. T. Hernandez, J. I. Moreno, F. Costa, F. J. Gonzalez-vila, and R. Frund, STRUCTURAL FEATURES OF HUMIC ACIDLIKE SUBSTANCES FROM SEWAGE SLUDGES, Soil Science, vol.149, issue.2, pp.63-68, 1990.
DOI : 10.1097/00010694-199002000-00001

J. Hsu and S. Lo, Chemical and spectroscopic analysis of organic matter transformations during composting of pig manure, Environmental Pollution, vol.104, issue.2, pp.189-196, 1999.
DOI : 10.1016/S0269-7491(98)00193-6

Y. Inbar, Y. Chen, and Y. Hadar, CARBON-13 CPMAS NMR AND FTIR SPECTROSCOPIC ANALYSIS OF ORGANIC MATTER TRANSFORMATIONS DURING COMPOSTING OF SOLID WASTES FROM WINERIES, Soil Science, vol.152, issue.4, pp.272-281, 1991.
DOI : 10.1097/00010694-199110000-00005

E. Lichtfouse, C. Chenu, F. Baudin, C. Leblond, D. Silva et al., A novel pathway of soil organic matter formation by selective preservation of resistant straight-chain biopolymers: chemical and isotope evidence, Organic Geochemistry, vol.28, issue.6, pp.411-415, 1998.
DOI : 10.1016/S0146-6380(98)00005-9

URL : https://hal.archives-ouvertes.fr/hal-00193336

S. P. Mathur, G. Dowen, H. Dinel, and M. Shnitzer, Determination of Compost Biomaturity. I. Literature Review, Biological Agriculture & Horticulture, vol.10, issue.3, pp.65-85, 1993.
DOI : 10.2136/sssaj1985.03615995004900060054x

A. Ouatmane, V. Dorazio, M. Hafidi, J. C. Revel, and N. Senesi, Elemental and spectroscopic characterization of humic acids fractionated by gel permeation chromatography, Agronomie, vol.20, issue.5, pp.491-504, 2000.
DOI : 10.1051/agro:2000144

URL : https://hal.archives-ouvertes.fr/hal-00886059

A. Piccolo, New insights on the conformationnel structure of humic substances as revealed by size exclusion chromatography The Role of Humic Substances in the Ecosystems and Environmental Protection, pp.19-34, 1997.

A. Piccolo, L. Campanella, and B. M. Petronio, Carbon-13 Nuclear Magnetic Resonance Spectra of Soil Humic Substances Extracted by Different Mechanisms, Soil Science Society of America Journal, vol.54, issue.3, pp.750-756, 1990.
DOI : 10.2136/sssaj1990.03615995005400030021x

C. M. Preston and M. Schnitzer, Effects of Chemical Modifications and Extractants on the Carbon-13 NMR Spectra of Humic Materials1, Soil Science Society of America Journal, vol.48, issue.2, pp.305-311, 1984.
DOI : 10.2136/sssaj1984.03615995004800020016x

C. M. Preston and M. Schnitzer, 13C NMR of humic substances: pH and solvent effects, Journal of Soil Science, vol.292, issue.4, pp.667-678, 1987.
DOI : 10.1111/j.1365-2389.1987.tb02164.x

R. Re´veille´, V. Mancuy, L. Jarde´, E. Jarde´, and E. Garnier-sillan, Characterisation of sewage sludge-derived organic matter: lipids and humic acids, Organic Geochemistry, vol.34, issue.4, pp.615-627, 2003.
DOI : 10.1016/S0146-6380(02)00216-4

G. Ricca and F. Severini, Structural investigations of humic substances by IR-FT, 13C-NMR spectroscopy and comparison with a maleic oligomer of known structure, Geoderma, vol.58, issue.3-4, pp.233-244, 1993.
DOI : 10.1016/0016-7061(93)90044-L

M. Schnitzer and S. U. Khan, Humic Substances in the Environment, 1972.

M. Schnitzer, H. Dinel, H. R. Schulten, . Pare´, T. Pare´ et al., HUMIFICATION OF DUCK FARM WASTES, Humic Substances: Versatile Components of Plants. Soil and Water, pp.20-34, 2000.
DOI : 10.1016/B978-1-85573-807-2.50007-2

U. Tomati, E. Madejon, and E. Galli, Evolution of Humic Acid Molecular Weight As an Index of Compost Stability, Compost Science & Utilization, vol.38, issue.3, pp.108-115, 2000.
DOI : 10.1080/1065657X.2000.10701756

R. L. Wershaw, D. J. Pinckney, and S. E. Booker, Chemical structure of humic acids, I. A generalized structural model, Journal of Research of the US Geological Survey, vol.5, pp.565-569, 1977.

M. A. Wilson, S. Heng, K. M. Goh, R. J. Pugmire, and D. M. Grant, Studies of litter and acid insoluble soil organic matter fractions using 13C-cross polarization nuclear magnetic resonance spectroscopy with magic angle spinning, Journal of Soil Science, vol.61, issue.1, pp.83-97, 1983.
DOI : 10.1111/j.1365-2389.1983.tb00815.x

C. Further-reading-preston, Applications of NMR to soil organic matter analysis: history and prospects, Soil Science, vol.16, pp.144-166, 1996.