000			00388nam a2200145Ia 4500
008			211109s9999||||xx |||||||||||||| ||und||
082			_a330.12 _bGRU-C
100			_aGruchy, Allan G
245		0	_aComparative Eco.System
260			_bHoughton Mifflin Company _aBoston _c1977
300			_a686p
630			_xGeneral stack
650			_aSocial sciences _vEconomicsEconomics
942			_cBOOK
999			_c81170 _d81170