WARREN PARKER
Risk assessment for veterinary biologicals. Scientific and Technical Review.
GABRIELLE DEUSS
Sustainable small- scale ruminant production in semi- arid and sub- humid tropical areas. Edited by Klaus Becker, Peter Lawrence, and Bob Orskov.
BRIAN LOWRY
New Zealand Journal of Agricultural Research, 1997, Vol. 40: 111-113
0028-8233/97/4001-0111 $2.50/0 (c) The Royal Society of New Zealand 1997
PDF file of entire paper: medium quality (251K); (scanned from paper original: notes about this process)