TY  - BOOK
AU  - David. F Heathfeld
TI  - Production function
SN  - 333-12840-0
U1  - 330 
PY  - 1971///
CY  - London
PB  - Macmillan Press Limited
N1  - David. F Heathfeld: Production function.  London.  Macmillan Press Limited, 1971. 333-12840-0--(330HEA)
ER  -