TY  - BOOK
T1  - Global problems
T2  - Harrap new generation series World affairs ; 1
A2  - Sommer, Peter
A2  - Heater, Derek
A2  - Owen, Gwyneth
LA  - English
PP  - Walton-on-Thames, Surrey u.a.
PB  - Harrap
YR  - 1979
ED  - 1. publ., reprinted and updated
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei564503290
SN  - 0245526730
KW  - Schulbuch
ER  -