TY  - BOOK
AU  - C F VON WEIZSACKER
TI  - THE HISTORY OF NATURE
U1  - GN550.V89H 
PY  - 1951///
CY  - LONDON
PB  - ROUTLEDGE & KEGAN PAUL
KW  - THE HISTORY OF NATURE
N1  - MODERN BOOK HOUSE
ER  -