000 00249nam a2200085 4500
080 _a621.314.21.
_bDIC
245 _aRep.No.5096: The Ventilation of transformer substations or cubicles.
100 _aDickson,M.R.
260 _aSurrey
_bElectrical research association
300 _a63p
999 _c35896
_d35896