(1952). Bi-pin lamp-caps and lamp-holders for tubular fluorescent lamps: For use in circuits the declared voltage of which does not exceed 250 volts. London: British Standards Institution.
Παραπομπή Chicago StyleBi-pin Lamp-caps and Lamp-holders for Tubular Fluorescent Lamps: For Use in Circuits the Declared Voltage of Which Does Not Exceed 250 Volts. London: British Standards Institution, 1952.
Παραπομπή MLABi-pin Lamp-caps and Lamp-holders for Tubular Fluorescent Lamps: For Use in Circuits the Declared Voltage of Which Does Not Exceed 250 Volts. London: British Standards Institution, 1952.
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