P.M. Sheppard Practical Genetics - Oxford Blackwell Scientific Publications 1973 - 337p P.M. Sheppard: Practical Genetics. Oxford. Blackwell Scientific Publications, 1973. 0-632-08750-1--(575.1SHE) ENGLISH ISBN: 0-632-08750-1 Dewey Class. No.: 575.1 / SHE