000			00353nam a22001337a 4500
020			_a8122403050
082			_222 _a631.451
100			_aTripathi, R .P. and Singh H. P.
245			_aSoil erosion and conservation /
250			_aNA
260			_aNew Delhi, _bNew Age International. _cc1993.
300			_aviii,305 p. ; _bill. ; _c23 cm.
942			_2ddc _cCIVIL
999			_c938 _d938