Lapedes, D. N., & Parker, S. P. (1977). McGraw hill encyclopaedia of science and technology (Ed.4.).
Chicago Edition CitationLapedes, Daniel N., i Sybil P. Parker. McGraw Hill Encyclopaedia of Science and Technology. Ed.4. New York, Mc Graw Hill, 1977.
Cita MLALapedes, Daniel N., i Sybil P. Parker. McGraw Hill Encyclopaedia of Science and Technology. Ed.4. 1977.
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