TY  - BOOK
T1  - Earth science activities
T2  - Earth science
A2  - Namowitz, Samuel N.
LA  - English
PP  - New York u.a.
PB  - American Book Comp
YR  - 1978
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei564593478
SN  - 0278474047
KW  - Schulbuch
ER  -