TY  - BOOK
AU  - Bettex,Albert
TI  - The discovery of nature
U1  - 509 
PY  - 1965///
CY  - London
PB  - Thomes and Hudson
KW  - Science
KW  - History
N1  - Includes index; Text in English and German; Translated from the German; Translation of: Entdeckung der Natur
ER  -