000 00323nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aTyagi
245 0 _aChordate Empryology
250 _a4th Ed
260 _aNew Delhi
260 _bS.Chand & Company
260 _c1980
650 _aChordate Empryology
942 _cBK
999 _c2621
_d2621