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1Foilsithe / Cruthaithe 1880Ábhair “...Mechanical engineering Periodicals....”
Sraithuimhir -
2Foilsithe / Cruthaithe 1971Ábhair “...Mechanical engineering Indexes....”
LEABHAR -
3de réir Sinclair, BruceÁbhair “...American Society of Mechanical Engineers History....”
Foilsithe / Cruthaithe 1980
LEABHAR