000 00333nam a22000977a 4500
008 230821b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
245 _aContributions to embryology
260 _aWashington, D. C.:
_bCarnegie Institution of Washington Publication 621
942 _cCR
_2udc
999 _c59149
_d59149