\bib{1987/dart}
\yr 1987
\by Susan A. Dart
\by Robert J. Ellison
\by Peter H. Feiler
\by A. Nico Habermann
\paper Software development environments
\pages 18--28
\jour IEEE Computer
\vol 20
\issue 17
\url http://www.ida.liu.se/~petfr/princprog/envpaper.pdf
\endref
