TY  - BOOK
AU  - Dayal, Ram,
TI  - An integrated system of world models: with separate models for economic growth, population and labour force, energy, food and agriculture, machinery and equipment, and raw materials 
SN  - 0444862722
U1  - 330.900724 
PY  - 1981///
CY  - Amsterdam
PB  - North-Holland Pub.
KW  - Economic history
ER  -