TY  - BOOK
T1  - Mainstreams of civilization
A2  - Hayes, Carlton J. H.
LA  - English
PP  - New York
PB  - Macmillan
YR  - 1983
UL  - https://gei-testing-vufind.eww-server.de/Record/gei564587737
SN  - 0021856109
KW  - Lehrbuch
ER  -