000 00390nam a2200181 4500
020 _a
_c
082 _a597.8 RUG-F
100 _aRugh, Roberts
245 _aFrog: Its reproduction and development
250 _a
260 _aMcGraw-Hill book Co, Inc, NewYork
_c1951
300 _a
490 _a
500 _a
590 _aSUB
_b
_c
650 _aAmphibia-- Frogs
942 _cBK
999 _c540216
_d540216