Herschel, J. F. W., & Fine, A. (1987). A preliminary discourse on the study of natural philosophy. University of Chicago Press.
Chicago-čujuhus (17. p.)Herschel, John F. W., juo Arthur Fine. A Preliminary Discourse on the Study of Natural Philosophy. Chicago: University of Chicago Press, 1987.
MLA-čujuhus (9. p.)Herschel, John F. W., juo Arthur Fine. A Preliminary Discourse on the Study of Natural Philosophy. University of Chicago Press, 1987.
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