Bezuidenhout, A.J. (Abraham Johannes), 1942-; Burger, W.P.; Reyers, Fred(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)
Bezuidenhout, A.J. (Abraham Johannes), 1942-; Burger, W.P.; Putterill, John Fraser(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)