William H. Press, Brian P. Flannery, Saul A. Teukolsky, and William T.
Vetterling.
NUMERICAL RECIPES in C: The Art of Scientific Computing.
Cambridge University Press, 1988.
X3J11.
Draft Proposed American National Standard for Information Systems
-- Programming Language C.
Technical Report X3J11/88-158, ANSI Accredited Standards
Committee, X3 Information Processing Systems, December 1988.