TY  - BOOK
T1  - A history of numbers, time and money
A2  - Gregory, Richard E.
LA  - English
PP  - Sydney
PB  - Whitcombe & Tombs
YR  - 1974
ED  - 1. publ.
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/gei647640791
SN  - 0723352852
KW  - Lehr- und Lernressource
ER  -