000 00323nam a2200133Ia 4500
008 170101s1996 xx 000 0 und d
082 _aSOILS 363.73 D38E
100 _aDhaliwal, G.S.
245 0 _aEnvironmental pollution
250 _a1st
260 _aLudhiana
_bPAU, Ludhiana
_c1996
300 _a60
942 _2ddc
_cB
999 _c104151
_d104151