Indian standards institution . ISI. (1981). Specification for unreinforced corrugated and semi corrugated asbestos cement sheets ,IS: 459-1970. ISI.
Chicago Edition CitationIndian standards institution . ISI. Specification for Unreinforced Corrugated and Semi Corrugated Asbestos Cement Sheets ,IS: 459-1970. : ISI, 1981.
MLA Edition CitationIndian standards institution . ISI. Specification for Unreinforced Corrugated and Semi Corrugated Asbestos Cement Sheets ,IS: 459-1970. ISI, 1981.