Fodder biofactors, their methods of determination / by E. Knobloch, J. Cerna-Heyrovska. Knobloch, Eduard. Cerna-Heyrovska, J, joint author. Vitamins in animal nutrition. Feeds Analysis. Vitamins Analysis. Vitamins Analysis. Animal feed Analysis. K66 1979 636.085 KNF Includes index. Bibliography: p. [293]-312. Amsterdam ; New York : Elsevier Scientific Pub. Co. ; New York : distribution for the U.S.A. and Canada, Elsevier/North-Holland, 1979. 1979. 1979 Text 317 p. : eng