TY  - GEN
AU  - Timbergen, Jain.
AU  - Bos, Handricus C.
TI  - Mathematical models of economic growth
U1  - 510.33/TIN-BOS 
PY  - 1962///
CY  - New York
PB  - MacGraw Hill book Company
KW  - sectors, variables
ER  -