Kaischew, R. A. (1993). Bulgarian chemical communications: Journal of the chemical institutes of the Bulgarian Academy of Sciences and of the Bulgarian Chemical Society. 1993 ([1st ed.].). [vl. n.].
Citace podle Chicago (17th ed.)Kaischew, Rostislav A. Bulgarian Chemical Communications: Journal of the Chemical Institutes of the Bulgarian Academy of Sciences and of the Bulgarian Chemical Society. 1993. [1st ed.]. Sofia: [vl. n.], 1993.
Citace podle MLA (9th ed.)Kaischew, Rostislav A. Bulgarian Chemical Communications: Journal of the Chemical Institutes of the Bulgarian Academy of Sciences and of the Bulgarian Chemical Society. 1993. [1st ed.]. [vl. n.], 1993.
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