TY  - BOOK
AU  - Willis, J.C.
TI  - Age and area Reproduced from the original edition 1922 with a new introduction: J.C. Willis
U1  - 575.3/.7:581.9, 
PY  - 1970///
CY  - VaalsAmsterdam
PB  - A. Asher
KW  - Biology Aging
ER  -