000 00301nam a2200109 4500
245 _aEncyclopedia of the biological sciences
_cedited by Peter Gray
710 _aGray, Peter
250 _a2nd ed.
260 _aNew York
_bVan Nostrand Reinhold
_c1970
300 _axxv,1027p.; 26cm.
082 _a574.03
_bGRA
999 _c25307
_d25307