@book{1984-riddle-book ,title={{Proceedings of the first ACM SIGSOFT/SIGPLAN software engineering symposium on practical software development environments held in Pittsburgh, Pennsylvania, April, 1984}} ,booktitle={{Proceedings of the first ACM SIGSOFT/SIGPLAN software engineering symposium on practical software development environments held in Pittsburgh, Pennsylvania, April, 1984}} ,author={William Riddle (chairman) and Peter B. Henderson (chairman)} ,ISBN={0--89791--131--8} ,publisher={Association for Computing Machinery} ,address={New York} ,year={1984} }