000 00413nam a2200145Ia 4500
008 170101s1990 xx 000 0 und d
082 _a631.4 C54C
100 _aMORGAN, R. P. C
245 0 _aSoil conservation : problems and prospects : proceedings
260 _bDehradun
_c1990
300 _a576p
650 _aSOIL CONSERVATION -- CONGRESSES
653 _aSOIL CONSERVATION -- CONGRESSES
942 _2ddc
_cB
999 _c105091
_d105091