000			00412nam a2200109Ia 4500
008			200511s9999||||xx |||||||||||||| ||und||
082			_a333.7 _bTRI
100			_aTrivedi, Priya Ranjan & others _981967
245		0	_aInternational encyclopaedia of ecology and environment. Vol.9 : research methodology and systems analysis.
260			_aNew Delhi _bIndian Inst. of Ecology & Environment _c1994
300			_aix,158p.
999			_c67663 _d67663
650			_aEncyclopaedia of Ecology and Environment