Indian standards institution . ISI. (1980). Code of practice for design and construction of foundations for transmission line towers and poles,IS: 4091-1979. ISI.
Chicago Edition CitationIndian standards institution . ISI. Code of Practice for Design and Construction of Foundations for Transmission Line Towers and Poles,IS: 4091-1979. : ISI, 1980.
MLA Edition CitationIndian standards institution . ISI. Code of Practice for Design and Construction of Foundations for Transmission Line Towers and Poles,IS: 4091-1979. ISI, 1980.