000			00330nam a2200133Ia 4500
005			20250909101653.0
008			250903s9999 xx 000 0 und d
041			_aeng
082			_a613.1 _bS
100			_aSingh, Indra P
245			_aMan and his Environment
260			_aNew Delhi _bConcept publication _c1980
300			_a276 p.
999			_c80827 _d80827