Bird, J. (2001). Newnes engineering mathematics: Pocketbook (3rd ed.). Newnes.
Dyfyniad Arddull ChicagoBird, John. Newnes Engineering Mathematics: Pocketbook. 3rd ed. Oxford: Newnes, 2001.
Dyfyniad MLABird, John. Newnes Engineering Mathematics: Pocketbook. 3rd ed. Newnes, 2001.
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