By Lambrechts H.   van Niekerk F.E.   Coetzer W.A.   Cloete S.W.P.   van der Horst G.   in Theriogenology

ISSN:0093-691X|52|7|1241-1249

Elsevier‎(1999)‎

Access to resources Favorite 8.127458

By Coetzer W.   Hoffmann J.H.   in Biological Control

ISSN:1049-9644|10|3|187-192

Academic Press‎(1997)‎

Access to resources Favorite 4.730845