MacCrimmon, I. (1989). Further preliminaries. The nature of the fifth dimension, 381-396.
Cita Chicago Style (17a ed.)MacCrimmon, Ian. "Further Preliminaries." The Nature of the Fifth Dimension 1989: 381-396.
Cita MLA (9a ed.)MacCrimmon, Ian. "Further Preliminaries." The Nature of the Fifth Dimension, 1989, pp. 381-396.
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