TY  - BOOK
T1  - Progress and environment
T2  - Focus on Europe
A2  - Clay, Roger
LA  - English
PP  - London
PB  - Harrap
YR  - 1976
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei56446838X
NO  - Literaturverz. S. 47
SN  - 0245529470
KW  - Schulbuch
ER  -