P. K. Hopke, Receptor modeling for air quality management, 1991.
DOI : 10.1039/9781847550101-00095

L. Jianhang and W. Laosheng, Technical details and programming guide for a general two-way positive matrix factorization algorithm, Journal of Chemometrics, vol.18, pp.519-525, 2004.

I. T. Jolliffe, Principal Component Analysis, 2002.
DOI : 10.1007/978-1-4757-1904-8

K. R. Gabriel and S. Zamir, Lower Rank Approximation of Matrices by Least Squares With Any Choice of Weights, Technometrics, vol.43, issue.4, pp.489-498, 1979.
DOI : 10.2307/1267072

P. Paatero and U. Tapper, Positive matrix factorization: A non-negative factor model with optimal utilization of error estimates of data values, Environmetrics, vol.18, issue.2, pp.111-126, 1994.
DOI : 10.1002/env.3170050203

A. V. Polissar, P. K. Hopke, W. C. Malm, and J. F. Sisler, Atmospheric aerosol over Alaska: 2. Elemental composition and sources, Journal of Geophysical Research: Atmospheres, vol.25, issue.D15, pp.45-19057, 1998.
DOI : 10.1029/98JD01212