Pennycuick, C. J. (1974). Handy matrices of unit conversion factors for biology and mechanics. London: E. Arnold.
Παραπομπή Chicago StylePennycuick, C. J. Handy Matrices of Unit Conversion Factors for Biology and Mechanics. London: E. Arnold, 1974.
Παραπομπή MLAPennycuick, C. J. Handy Matrices of Unit Conversion Factors for Biology and Mechanics. London: E. Arnold, 1974.
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