Takeuchi, H., author
Freeman, Cooper and Co., 1967
Buku Teks
Pluijm, Ben A. van der
McGraw-Hill, 1977
Buku Teks
Sivarajan, V., author
VK Publishers, 1978
Buku Teks
editor, A. Gschneidner, LeRoy Eyring
North-Holland, 1982
Buku Referensi
Gschneidner, Karl A.
Elsiver Science, 1997
Buku Referensi