ISI. (1975). IS: SPECIFICATION FOR METALLIC SPIRAL WOUND GASKETS IS : 7719-1975. ISI.
Chicago-čujuhus (17. p.)ISI. IS: SPECIFICATION FOR METALLIC SPIRAL WOUND GASKETS IS : 7719-1975. NEW DELHI: ISI, 1975.
MLA-čujuhus (9. p.)ISI. IS: SPECIFICATION FOR METALLIC SPIRAL WOUND GASKETS IS : 7719-1975. ISI, 1975.
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