000			00337nam a2200133Ia 4500
008			231228s2011 xx 000 0 und d
041			_aeng
082			_bDES
100			_aDESAI (R.G.)
245			_aEnvironmental Studies,
250			_a4th
260			_aNew Delhi _bHimalaya Publishing House Mumbai, New Delhi _c2011
300			_a196
999			_c1063302 _d1063302