000 00387nam a22001577a 4500
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041 _aeng
082 _a575
100 _93183
_aShull, A. Franklin
245 _aEvolution
250 _a2a ed.
260 _aNew York
_bMcGraw Hill Book Company
_c1951
300 _a322 p.
650 0 _93181
_aEVOLUCION Y GENETICA
942 _2ddc
_cLIBRO
999 _c2439
_d2439