000 00289nam a2200109Ia 4500
008 170101s1981 xx 000 0 und d
082 _aSWE 631.407.205.4 V50C
100 _aVerma, Balvir
245 _aClassification of ravines for optimum...India
260 _aKota
_c1981
942 _2ddc
_cB
999 _c137116
_d137116