000 00373nam a2200157Ia 4500
008 210210b1949 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a535/11
100 _aBOLTZ (C L)
245 _aElectricity
260 _aLondon
_bGeorge G Harrap and Company Limited
_c1949
300 _a311
650 _aElectricity
690 _aElectricity
906 _a008629
999 _c126591
_d126591