Software engineering:

algorithms ALTRAN application areas assembly language basic Brian Randell changes checkout COBOL compiler complete components computer science conference configuration correctness cost data structures debugging defined described design process difficulty Dijkstra discussion documentation DWIM efficiency effort Electronic Switching Systems environment error estimate evaluation example experience facilities fact FORTRAN function Garmisch given hardware high level language implementation input interaction interface Laboratory large programming large software large systems layer LISP machine independent macro maintenance man-months manufacturers mathematical methods modules monitoring Multics on-line operating system output package paper performance Perlis Peter Naur PILOT portability possible PRETTYPRINT problem procedure processor programming language programming system Randell routines schedules simulation software design software engineering software production software systems specifications standard statements storage subroutine system design system development techniques testing things tion types variables writing