TY  - BOOK
AU  - Etkin, William
AU  - Gilbert, Lawrence I
TI  - Metamorphosis : a problem in developmental biology
U1  - 591.34 ETK G 
PY  - 1968///.
CY  - New York : 
PB  - Appleton-Century-Crofts, 
KW  - Metamorphosis
KW  - Biology
ER  -