TY  - BOOK
AU  - Boon,Gerard Karel
TI  - Economic choice of human and physical factors in production: : an a ttempt to measure the micro-economic and macro-economic possibilities o f variation in factor proportions of productions / 
U1  - 338.01 BOO 
PY  - 1964///
CY  - Amsterdam : 
PB  - North-Holland Publishing Co. , 
KW  - Macroeconomics
KW  - Economics
KW  - Industries
N1  -  Includes bibliographical references  : p. 323-325
ER  -