Implementation considerations in a numerical analysis problem solving system. - Roger V. Roman; Lawrence R. Symes (Symposium on Interactive Systems for Experimental Applied Mathematics, 1967)

Structure of a language for a numerical analysis problem solving system. - Lawrence R. Symes; Roger V. Roman (Symposium on Interactive Systems for Experimental Applied Mathematics, 1967)

Manipulation of data structures in a numerical analysis problem solving system: NAPSS. - Lawrence R. Symes (AFIPS Spring Joint Computing Conference, 1970)

SIGCSE (Panel Session). - Edward J. Desautels; Michael Faiman; Earl J. Schweppe; Lawrence R. Symes (ACM Annual Conference, 1976)

Effect of laboratory facilities on computer science curriculum. - R. Brien Maguire; Lawrence R. Symes (SIGCSE-1, 1977)

Success and Failure Analysis of a Problem Solving System Implementation. - Lawrence R. Symes; R. R. Oldehoeft (Softw. Pract. Exp., 1977)

Context of Problem-Solving Systems. - Lawrence R. Symes; R. R. Oldehoeft (IEEE Trans. Software Eng., 1977)