Proceedings of the Second World Conference on Animal Production, University of Maryland, College Park, Maryland, 1968

by World Conference on Animal Production ( 1968 : University of Maryland).
Published 1969

Animal production and animal science worldwide /

Published 2005

Trace element metabolism in animals proceedings of Waap/Ibp International symposium Aberdeen, Scotland, July 1969 ; general editor C. F. Mills.

Published 1970