Dicke, Robert H., author
Addison-Wesley, 1960
Buku Teks
Bransden, Brian H., author
Longman, 1992
Buku Teks
Bransden, Brian H., author
ELBS/Longman, 1990
Buku Teks
Smith, Henrik
World Scientific, 1991
Buku Teks
Pauling, Linus, author
McGraw-Hill, 1935
Buku Teks