000 00321nam a22001217a 4500
082 _a621.31921
_bWAT
_cL-10, P-28
100 _aWatson, C.G
245 _aSags and tensions in overhead lines /
260 _aLondon:
_bSir Isaac Pitman & Sons, Ltd.
_cc1931
300 _axii, 188 p,;
_bill.;
_c22cm
650 _aMCE
942 _cBK
999 _c5810
_d5810