1. J. Calmet and M. Bergman. Some Design Principles of a New System for Algebraic and Symbolic Manipulations. These proceedings.
2. E.L. Lafferty. Hypergeometric Function Reduction — An Adventure in Pattern Matching. Proc. 1979 MACSYMA User's Conference. MIT Lab. Pub., 465–481.
3. R.W. Gosper Jr., Computer-assisted Strip Mining in Abandoned Ore Fields of the 19-th Century Mathematics. Talk at the Conference on Computer Algebra as a Tol for Research in Mathematics and Physics. New York, April 5–6, 1984.
4. J. Ivie.Some MACSYMA Programs for Solving Difference Equations. Proc. 1977 MACSYMA User's Conference. MIT Lab Pub.
5. R.W. Gosper Jr., Indefinite Hypergeometric Sums. Proc. 1977 MACSYMA User's Conference. MIT Lab Pub.