000 00469nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a571.8616
_bN424
100 _aNelsen Olin E
245 _aComparative embryology of the vertebrates
260 _aNew York
_bMcGraw Hill Book
_c1953
300 _axxiii,982p.
650 _aComparative embryology
650 _aEmbryology
650 _aVertebrates
942 _cBK
999 _c53622
_d53622