APA (7th ed.) Citation

(1991). Vol. 44, № 21; Physical Review. Ser. B. 1991.

Chicago Style (17th ed.) Citation

Vol. 44, № 21; Physical Review. Ser. B. 1991, 1991.

MLA (9th ed.) Citation

Vol. 44, № 21; Physical Review. Ser. B. 1991, 1991.

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