Dyfyniad APA

Hawkes, P. (1989). Principles of electron optics. Academic Press.

Dyfyniad Arddull Chicago

Hawkes, P.W. Principles of Electron Optics. London: Academic Press, 1989.

Dyfyniad MLA

Hawkes, P.W. Principles of Electron Optics. Academic Press, 1989.

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