000 00383nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a575.1 S2
100 _a"Shull, Franklin A"
245 0 _aHeredity
250 _a\\194804ENGGPCX
260 _aMcGraw Hill
260 _b1948
260 _cLondon
300 _a311p
500 _aincludes index and biblioraphy
942 _cBK
999 _c5937
_d5937