WILLIAMS, Alan G. Coleman, Geoffrey S. The rumen protozoa / [by] Alan G.Williams, Geoffrey S.Coleman - New York Springer-Verlag 1992 - xii, 441 p.- - Brock/Springer series in contemporary bioscience . Includes references & index ISBN: 387975489 Subjects--Topical Terms: Protozoa Dewey Class. No.: 579.4 / WIL