Pierson, C J Comparison of Methods for Estimation of Coliforms, Fecal Coliforms and Enterococci in Retail Ground Beef. [electronic resource] - Journal of food protection Apr 1978 - 263-266 p. digital Publication Type: Journal Article ISSN: 1944-9097 Standard No.: 10.4315/0362-028X-41.4.263 doi