TY  - BOOK
AU  - Nieuwkoop, P. D., ed.
TI  - Normal Table of Xenopus Laevis (Daudin)
U1  - 597.8654 
PY  - 1956///
CY  - Amsterdam
PB  - North-Holland Publishing
KW  - Clawed Frog-Africa
KW  - Xenopus
KW  - Xenopuslaevis
N1  - Includes bibliographical references and index
ER  -