TY  - BOOK
AU  - Niieukoop, Pieter D.                                        
TI  - Primordial germ cells in the chordates : embryogenesis and phylogenesia                                                 
U1  - 596.033 NIE                    
PY  - 1979///
CY  - Cambridge                                                   
PB  - Cambridge University Press                                  
ER  -