TY - BOOK AU - Waddington,C.H. TI - Principles of development and differentiation T2 - Current concepts in biology series AV - QL955 .W33 U1 - 574.3 PY - 1966/// CY - New York PB - Macmillan KW - Embryology KW - Local KW - Cytology KW - Developmental genetics N1 - Bibliography: p. 110-111 ER -