TY  - BOOK
T1  - Rocks
T2  - The active earth
A2  - Crisp, Tony
LA  - English
PP  - Walton-on-Thames
PB  - Nelson
YR  - 1987
ED  - New ed., reprinted
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei564363642
SN  - 017434211X
KW  - Schulbuch
ER  -