00706nam2 22002171i 450 990002256890403321000225689FED01000225689(Aleph)000225689FED0100022568920030801d--------km-y0itay50------baResearches on the impregnation of theovum in the amphibiaand on the earlystages of development of the embryo.Englewood Cliffs, 1955, p. 193-199.001000220431Newport,George85327ITUNINARICAUNIMARCBK990002256890403321FFABCResearches on the impregnation of theovum in the amphibia399459UNINAING01