Warren, Sharon, author
World Health Organization, 2001
Buku Teks
Scheraga, Harold A.
Academic Press, 1961
Buku Teks
Lydall, Harold
Clarendon Press , 1968
Buku Teks
Zink, Harold, author
Van Nostrand , 1963
Buku Teks
Lazarus, Harold
Prentice-Hall, 1968
Buku Teks