000 00271nam a22001097a 4500
008 230829b xxu||||| |||| 00| 0 eng d
082 _a595.2 Zoology 3729
100 _aDarlington C.D.
_943654
245 _aThe Evolution of Genetic Systems
260 _c1946
942 _cOB
999 _c17806
_d17805