Indian standard code of practice for design, fabrication and erection of vertical mild steel cylindrical welded oil storage tanks / - 1st revision. - New Delhi : Bureau of Indian Standards, c1977. - 99 p. : ill. ; 30 cm. - IS : 803 - 1976 . ISBN: NA LC Class. No.: 21232-21236 Dewey Class. No.: 624.1821 / IND