000			00549nam a2200145Ia 4500
008			190917s1981||||xx |||||||||||||| ||und||
020			_a0444862722
082			_a330.900724 _bIn
100			_aDayal, Ram,
245		3	_aAn integrated system of world models : _bwith separate models for economic growth, population and labour force, energy, food and agriculture, machinery and equipment, and raw materials / _cRam Dayal.
260			_aAmsterdam ; _bNorth-Holland Pub., _cc1981.
300			_axviii, 398 p. :
650			_aEconomic history
942			_cBK
999			_c55939 _d55939