TY  - BOOK
AU  - Gide, Charles 
AU  - Row, Ernest F.
TI  - Principles of political economy
U1  - 330 21st ed.
PY  - 1924///
CY  - London
PB  - George G. Harrap & Company Ltd
KW  - Economics
KW  - Production functions
N1  - Index: pp 521-27
ER  -