000 00260nam a2200073 4500
080 _a
_b
245 _aBS-0158 - 1961; Specification for the Marking and Arrangement of Switchgear Busbars Main Connections and Small Wiring
700 _aBritish Standards Institution
260 _aLondon
_bBSI
_c1961
300 _a18p
999 _c24524
_d24524