BIS. (1980). IS: FORMED ENDS FOR TANKS & PRESSURE VESSELS IS : 4049-1979. BIS.
Chicago-viite (17. p.)BIS. IS: FORMED ENDS FOR TANKS & PRESSURE VESSELS IS : 4049-1979. NEW DELHI: BIS, 1980.
MLA-viite (9. p.)BIS. IS: FORMED ENDS FOR TANKS & PRESSURE VESSELS IS : 4049-1979. BIS, 1980.
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