000 00296nam a2200121Ia 4500
008 170101s1983 xx 000 0 und d
082 _a634.9 NEG
100 _aNegi S. S.
245 0 _aSoil Conservation
260 _bBishen Singh Mahendra Pal SIngh
_c1983
300 _a88 p.
942 _2ddc
_cB
999 _c828166
_d828166