Rowland, Anthony J.
Edward Arnold, 1985
Buku Teks
World Health Organization, 1992
Buku Teks
Rom, William N., author
Jossey- Bass, 2012
Buku Teks
by Kenneth A. Dahlberg [and others]
Duke University Press, 1985
Buku Teks
Huntley, James R., author
NATO Information Service, 1972
Buku Teks