000			00268nam a2200121Ia 4500
008			221219s9999 xx 000 0 und d
100			_aD.K.Das
245		0	_aIntroductory Soil Science
250			_a4th
260			_bKalyani
650			_aSoil science
942			_cBK
999			_c2052 _d2052