000 00313nam a2200085Ia 4500
008 180131b1991 xxu||||| |||| 00| 0 eng d
080 _a
_b621.3.053 : 624.014.2 CEN.91
100 _aPunjab Engineering College
245 _aCbip-78 - 1991; Evaluation Of Concrete Encased Earthing Electrodes And Use Of Structural Steel For E
260 _a
_bCBIP
_c1991
999 _c61136
_d61136