Braddick, H. J. J.
Chapman and Hall, 1966
Buku Teks
Artikel Jurnal
edited by Victor Chew
John Wiley & Sons, 1958
Buku Teks
Aryuanto Soetedjo, author
National Institute of Technology (ITN) Malang, Department of Electrical Engineering, 2011
Artikel Jurnal
Znaniecki, Florian
Rinehart & Company, 1934
Buku Teks