C. Bischof, A. Carle, P. Khademi, and A. Mauer, ADIFOR 2.0: Automatic Differentiation of Fortran 77 Programs, IEEE Computational Science & Engineering, 3(3):18--32, 1996.
D. MacKenzie and T. Tromey, GNU Automake version 1.4-p1, Free Software Foundation, Inc, 1996. automake home
D. MacKenzie and B. Elliston, Autoconf version 2.50, Free Software Foundation, Inc, 2001. autoconf home
A. Griewank, Evaluating Derivatives: Principles and Techniques of Algorithmic Differentiation, SIAM, 2000.
M. Iri, History of Automatic Differentiation and Rounding Error Estimation, in Automatic Differentiation of Algorithms: Theory, Implementation, and Application, A. Griewank and G. F. Corliss, eds., 3--16, SIAM, 1991.
G. Sander and I. Lemke, VCG — Visualization of Compiler Graphs, user documentation v.1.30, University of Saarland, 1995. vcg overview.