Indian standards institution . ISI. (1984). Code of practice for design , construction and maintenance of relief wells IS: 5050-1968 (1.). Indian standards institution.
Chicago Edition CitationIndian standards institution . ISI. Code of Practice for Design , Construction and Maintenance of Relief Wells IS: 5050-1968. 1. New Delhi: Indian standards institution, 1984.
MLA Edition CitationIndian standards institution . ISI. Code of Practice for Design , Construction and Maintenance of Relief Wells IS: 5050-1968. 1. Indian standards institution, 1984.