Schwartzmann, J. (1994). Where is the heaven?: The story of an Aristotelian problem and its presentation in Jewish medieval sources. Revue des études juives.
Chicago-referens (17:e uppl.)Schwartzmann, Julia. "Where Is the Heaven?: The Story of an Aristotelian Problem and Its Presentation in Jewish Medieval Sources." Revue Des études Juives 1994.
MLA-referens (8:e uppl.)Schwartzmann, Julia. "Where Is the Heaven?: The Story of an Aristotelian Problem and Its Presentation in Jewish Medieval Sources." Revue Des études Juives, 1994.
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