000			00269nam a22001097a 4500
082			_a620 _bRAG-I
100			_aRag, R L _aRemesh, Lekshmi Dinachandran _9508
245			_aIntroduction to sustainable engineering
260			_aDelhi _bPHI _c2015
300			_a152p
942			_cBK
999			_c4723 _d4723