MARFELS, W. (1982). Gas and arc welding: Revised to Indian standards. Wiley Eastern Limited.
Chicago-čujuhus (17. p.)MARFELS, W. Gas and Arc Welding: Revised to Indian Standards. New Dekhi: Wiley Eastern Limited, 1982.
MLA-čujuhus (9. p.)MARFELS, W. Gas and Arc Welding: Revised to Indian Standards. Wiley Eastern Limited, 1982.
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