Jervis, J. L. (1985). Cometary theory in fifteenth-century Europe. Ossolineum The Polish Academy of Sciences Press.
Cita Chicago Style (17a ed.)Jervis, Jane L.. Cometary Theory in Fifteenth-century Europe. Wrocław: Ossolineum The Polish Academy of Sciences Press, 1985.
Cita MLA (9a ed.)Jervis, Jane L.. Cometary Theory in Fifteenth-century Europe. Ossolineum The Polish Academy of Sciences Press, 1985.
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