Soemitro Djojohadikusumo
Institute for Economic and Social Research, Education, and Information, 1977
Buku Teks
Perutz, M.F.
Oxford University Press, 1991
Buku Teks SO
Vavoulis
s.n., 1978
Buku Teks SO
Huxley, Julian, compiler
London Penguin 1937
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Cahn, Robert W.
Institute of Physics Publishing, 1992
Buku Teks SO