Busch, Francis X.
The Bobbs-Merrill, 1957
Buku Teks
Kunstler, William M.
William-Morrow and company, 1962
Buku Teks
Linowitz, Sol M., author
Little, Brown and Company , 1985
Buku Teks
Feynman, Richard Phillips
Norton , 1988
Buku Teks
X, Doctor
Harper & Row, 1965
Buku Teks