000 002830000a22001210004500
080 _a621.311.161
_bR5
100 _aRissik, H.
245 _aPower sytem interconnection : transmission problem
250 _a2nd ed.
260 _aLondon
_bPitman
_c1950
300 _a239p.
942 _cBK
999 _c52622
_d52622