000 004140000a22001570004500
008 140223b1991 xxu||||| |||| 00| 0 eng d
020 _a0306441098
041 _aEng
080 _aG:73z7 N1
082 _aG:73z7 N1
100 _aKeller Ray
700 _aothers
_fEd
245 _aGastrulation Moverments patterns and molecules
260 _aNew York
_bPlenum Pr
_c1991
650 _aBiology
999 _c248400
_d248400