00794nam0-22002891i-450 99000179178040332120190529131428.0000179178FED01000179178(Aleph)000179178FED0100017917820021010d1953----km-y0itay50------baita<<The >>improvement of pigsthe George Scott Robertson Memorial lecture, 1953Hjalmar Clausen.BelfastMarjory Boyd1953.24 p.21 cmSuini636.4Clausen,Hjalmar73921ITUNINARICAUNIMARCLG99000179178040332160 OP. 130/21FAGBCFAGBCImprovement of pigs408290UNINAING01