Willett, C. S. (1974). Introduction to gas lasers: population inversion mechanisms: With emphasis on selective excitation processes. Pergamon Press.
Citace podle Chicago (17th ed.)Willett, Colin S. Introduction to Gas Lasers: Population Inversion Mechanisms: With Emphasis on Selective Excitation Processes. Oxford: Pergamon Press, 1974.
Citace podle MLA (9th ed.)Willett, Colin S. Introduction to Gas Lasers: Population Inversion Mechanisms: With Emphasis on Selective Excitation Processes. Pergamon Press, 1974.
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