000			00307nam a2200133Ia 4500
008			220108s9999||||xx |||||||||||||| ||und||
100			_aK.C. VASHIST
245		0	_aESSENTIAL OF ENVIRONMENTAL STUDY
250			_a5TH
260			_bDhanpat Delhi _c2004
300			_a185
650			_aCOMMERCE
942			_cREF
999			_c19144 _d19144