F. G. Goel and E. H. Marth, Growth of Leuconostoc citrovorum at 22 and 30°C, J. Dairy Sei, vol.52, p.1213, 1969.

F. G. Martley, The effect of cell numbers in streptococcal chains on plate-counting, N .Z.J .J. Dairy Sei. Tech, vol.7, p.11, 1972.

F. G. Goel and E. H. Marth, Chain length of Leuconostoc citrovorum modified by dilution and shak ing procedures of plate count, J. Dairy Sei, vol.52, pp.1941-1947, 1969.

A. H. Jones and W. E. Ferguson, A study of methods of preparing food produts for microbiological analyses, Food Res, vol.16, pp.126-132, 1951.

P. A. Hartman and D. V. Huntsberger, Influence of subtle differences in plating procedure on bacterial counts of prepared frozen foods, Appt. Microbiol, vol.9, pp.32-38, 1961.

B. E. Wanser and P. A. Hartrnan, Agitation of rnilk sarnples for colony counts of raw rnilk, J. Milk Food Technol, vol.25, pp.5-6, 1962.

C. P. Champagne, N. Gardner, and G. Doyon, Production of Leuconostoc oenos biornass under pH control, Appl. Environ. Microbiol, vol.55, pp.2488-2492, 1989.

S. S. Lee, F. M. Robinson, and H. Y. Wang, Rapid deterrnination of yeast viability, Biotechnol. Bioeng. Syrnp, vol.11, pp.641-649, 1981.

, Report of Subcornrnittee on Microbiology. J. Arn. Soc. Brew. Chern, vol.39, pp.86-89, 1981.

L. M. King, D. O. Schiskr, and J. J. Ruocco, Epifluorescent rnethod for detection of nonviable yeast, J. Arn. Soc. Brew. Chern, vol.36, pp.52-54, 1991.

H. Lange, J. M. Bavouzet, P. Taillandier, and C. De-lorme, Systernatic error and cornparison of four methods for assessing the viability of Sac charomyces cerevisiae suspensions, Biotech. Techniques, vol.7, p.228, 1993.

E. Parkkinen, E. Oura, and H. Suornalainen, Cornparison of rnethods for the deterrnination of cell viability in stored baker's yeast, J. Inst. Brew, vol.82, pp.283-285, 1976.

J. L. Bourdon and N. Marchal, Techniques de numération des bactéries, Techniques Bac tériologiques, pp.203-217, 1973.