NAGPAL , G. (1982). MACHINE TOOL ENGINEERING. KHANNA PUB.
Chicago-čujuhus (17. p.)NAGPAL , G.R. MACHINE TOOL ENGINEERING. DELHI: KHANNA PUB, 1982.
MLA-čujuhus (9. p.)NAGPAL , G.R. MACHINE TOOL ENGINEERING. KHANNA PUB, 1982.
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