000 00337 a2200133 4500
080 _a575.1
_bH 131 D
245 1 _aDevelopmental genetics and lethal factors
_cby Ernst Hadron
260 _aLondon
_c1961
650 _aDevelopmental Genetics
650 _aLethal Factors
100 1 _aHadron, Ernst
_d
300 _a355 p.
901 _a67343
999 _c30871
_d30871