TY  - BOOK
T1  - North America the advancing frontier
A2  - Nixon, W. B.
A2  - Light, John
LA  - English
PP  - London
PB  - Univ. Tutorial Press
YR  - 1973
UL  - https://glotrec.wdi-testing.gei.de/cat/Record/gei564494267
SN  - 0723106169
KW  - Schulbuch
ER  -