Karapetoff, Vladimir
John Wiley & Sons, 1936
Buku Teks
Landesberg, Joseph M., 1903-1994, author
Brooks/Cole Cengage Learning, 2012
Buku Teks
Preston, Daryl W., author
John Wiley & Sons, 1985
Buku Teks
Artikel Jurnal
Landgrebe, John A., author
Brooks, 1993
Buku Teks