Press, W. H. (1997). Numerical recipes in fortran 77: The art of scientific computing (Second edition.). Cambridge University Press.

Press, William H. Numerical Recipes in Fortran 77: The Art of Scientific Computing. Second edition. Cambridge [England] ; New York: Cambridge University Press, 1997.

Press, William H. Numerical Recipes in Fortran 77: The Art of Scientific Computing. Second edition. Cambridge University Press, 1997.