Sarukhanyan, E. I., & Smirnov, N. P. (1981). Investigations of the polex south-78 program. National Science Foundation.
Chicago-čujuhus (17. p.)Sarukhanyan, E. I., juo N. P. Smirnov. Investigations of the Polex South-78 Program. Washington, D.C: National Science Foundation, 1981.
MLA-čujuhus (9. p.)Sarukhanyan, E. I., juo N. P. Smirnov. Investigations of the Polex South-78 Program. National Science Foundation, 1981.
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