Steenis, C.G.G.J. van, author
Pradya Paramita, 1981
Buku Teks
Ford, Michael J., author
George Allen and Unwin, 1982
Buku Teks
Woods, Joseph, author
Cambridge University Press, 2013
Buku Teks
Henslow, John Stevens, author
cambridge University Press, 2013
Buku Teks
Smalley, E.B.
NIOSH, 1986
Buku Teks