Reinfeld, Fred
Sterling Pub. Co, 1961
Buku Teks
Polish Academy of Sciences, 2008
Majalah, Jurnal, Buletin
Jones, W.T. (William Thomas), 1910-
University of California, [Date of publication not identified]
Buku Teks
Victor Gollancz , 1956
Buku Teks
Mason, Stephen F.
Collier Books, 1962
Buku Teks