000 00331nam a2200109Ia 4500
008 161118s2016 xx 000 0 und d
100 _aISI
245 0 _aIndian Standards Code of Practice for Construcation of Polythylene Enbedded Eart
260 _aNew Delhi
_bIndian Standards Institution
_c1977
300 _a8:00 PM
942 _2ddc
999 _c14675
_d14675