Angel, Edward, author
Addison-Wesley, 1997
Buku Teks
edited by G. McLachlan
World Health Organization Regional Office for Europe, 1980
Buku Teks
Kuhnel, Christine, author
[, Springer], 2012
eBooks
Vollmann, Thomas E., author
Richard D. Irwin, 1984
Buku Teks
edited by Ahmed H. El-Abiad
Hemisphere, 1983
Buku Teks