000			00370nam a2200145Ia 4500
008			210930s2015 xx 000 0 und d
020			_a9788122438277
041			_aeng
100			_aAnil Kumar De
245			_aEnvironmental studies
260			_aNew Delhi _bNew age Int.Pvt.Ltd. _c2015
300			_a235p
650			_aEnvironmental studies
700			_aArnab Kumar De
999			_c90944 _d90944