(1977). Code of practice for the selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres: Part 4. Installation and maintenance requirements for electrical apparatus. London: BSI.
Chicago Style CitationCode of Practice for the Selection, Installation and Maintenance of Electrical Apparatus for Use in Potentially Explosive Atmospheres: Part 4. Installation and Maintenance Requirements for Electrical Apparatus. London: BSI, 1977.
MLA CitationCode of Practice for the Selection, Installation and Maintenance of Electrical Apparatus for Use in Potentially Explosive Atmospheres: Part 4. Installation and Maintenance Requirements for Electrical Apparatus. London: BSI, 1977.
Warning: These citations may not always be 100% accurate.