000 003840000a22001330004500
008 140223b1951 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aG:6z7 J1
082 _aG:6z7 J1
100 _aDUNN (L.C.)Ed
245 _aGenetics in the 20th century; essays on the progress of genetics duting its first 50 years
260 _aMacmillan
_bNew York
_c1951
650 _aGENETICS
999 _c98260
_d98260