TY - BOOK AU - Nieuwkoop,Pieter D. AU - Sutasurya,Lien A. TI - Primordial germ cells in the invertebrates: from epigenesis to preformation SN - 0521221897 PY - 1981/// CY - Cambridge PB - Cambridge University Press KW - Germ cells KW - Embryology KW - Invertebrates N1 - Includes bibliographical references and indexes ER -