000 00509nam a2200133 4500
090 _a163988
_9163987
010 _a0236177060.
_bRel.
012 _210000922
100 _a20190103d u||y0frey50 ba
101 _aeng
200 _aexperimental embryoogy and teratology.
_bLIVR
_cedited by d.h.m.wooliam fellow of emmanuel college,cambridge.
_eand gillian m.morriss. research fellow of girton college, cambridge.
205 _aelekn science.
210 _alondon.
_ddl.imp.cop.1974.
215 _a1vol(135).
_cen nir et blanc .
_d23cm.