TY - BOOK AU - Nieuwkoop, Pieter D. CN - QL964 CN - QL964 CY - Cambridge [Eng.] ; CY - New York : DA - 1979. ID - 31502 KW - Germ cells. KW - Embryology N1 - Includes indexes. PB - Cambridge University Press, PP - Cambridge [Eng.] ; PP - New York : PY - 1979. SN - 0521223032 T1 - Primordial germ cells in the chordates :embryogenesis and phylogenesis / TI - Primordial germ cells in the chordates :embryogenesis and phylogenesis / ER -