000 00363nam a2200133Ia 4500
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040 _aCNCLSA
100 _aM. Abercrombie
245 0 _aJournal of Embryology and Experimental Morphology
260 _cFebruary, 1969
_bCambridge University Press
_aLondon
300 _aP. 1-548
300 _bV. 21
942 _cJRBV
999 _c16974
_d16974