ERROR!!! \issue 17
@article{1987-dart
,note={URL: {\tt http://www.ida.liu.se/~petfr/princprog/envpaper.pdf}}
,author={Susan A. Dart and Robert J. Ellison and Peter H. Feiler and A. Nico Habermann}
,journal={IEEE Computer}
,pages={18--28}
,title={{Software development environments}}
,volume={20}
,year={1987}
}