1. User-Oriented Computer Languages—Analysis and Design;Klerer,1987
2. The automated programmer system: language design issues for scientific-mathematical-engineering application programming;Klerer,1987
3. Experimental study of a two-dimensional language vs Fortran for first-course programmers;Klerer;Int. J. Man-Mach. Stud.,1984
4. An empirical study of Fortran programs;Knuth;Softw. Pract. Exper.,1971
5. The Human Factor;Rubinstein,1984