Einstein, Albert, 1879-1955, author
Dover, 1992
Buku Teks
Curra, John, author
Sage Publications, 1999
Buku Teks
Pathria, R.K., author
Hindustan, 1974
Buku Teks
Schroder, Ulrich E., author
World Scientific, 1990
Buku Teks
Wald, Robert M., author
University of Chicago Press, 1984
Buku Teks