Morse, Frederick T., author
D. Van Nostrand, 1953
Buku Teks
Mablekos, Van E., author
Harper and Row, 1980
Buku Teks
Sharma, Y.D.
Katson Publishing House, 1981
Buku Teks
Rao, T.S. Madhava, author
Khanna, 1974
Buku Teks
The Institute of Electrical and Electronics Engineers, Inc., 1994
Buku Teks