Unicode Consortium. The Unicode Standard, Version 3.0. Addison-Wesley, Reading, Massachusetts, 2000, ISBN 0-201-616335-5.
IEEE. IEEE Standard for Binary Floating-Point Arithmetic. ANSI/IEEE Standard 754-1985. Available from http://www.ieee.org.
ISO/IEC. C++. ANSI/ISO/IEC 14882:1998.