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Heterosis in crossbred hill sheep, October 1963
Coll-1362/1/152Donald, Hugh Paterson, 1908-1989 (geneticist and director of Animal Breeding Research Organisation) Read, J L, fl1963 Russell, William St Clair, 1921-fl 1962 Donald, Hugh Paterson, 1908-1989 (geneticist and director of Animal Breeding Research Organisation) Read, J L, fl1963 Russell, William St Clair, 1921-fl 1962