Encyclopedia of sports science; Volume 1
edited by John Zumerchik
MacMillan Library Reference USA, 1997
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Encyclopedia of the history of Arabic science : volume 2
edited by Roshdi Rashed
Routledge, 1996
Buku Referensi
McGraw-Hill encyclopedia of science and technology : volume 2 BAB-CET
McGraw-Hill, 1960; 1966
Buku Referensi
The new illustrated science and invention encyclopedia : the new how it works : volume 2
H.S. Stuttman, 1989
Buku Referensi
The Encyclopedia Americana : volume 2
Americana Corporation, 1977
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