000			00316nam a2200133Ia 4500
008			221219s9999 xx 000 0 und d
100			_aK.K. Singh
245		0	_aAir water and soil pollution
260			_bKalyani Publishers
650			_aSoil Science
700			_aA. Juwarkar
700			_aA.K. Singh
942			_cBK
999			_c4026 _d4026