Hierarchical Coroutines: A Mechanism for Improved Program Structure

@inproceedings{Marty-Vanek:ICSE79,
  author    = {Rudolf Marty and
               L. Vanek},
  title     = {Hierarchical Coroutines: A Mechanism for Improved Program Structure},
  booktitle = {ICSE},
  pages     = {274--285},
  publisher = {{IEEE} Computer Society},
  year      = {1979},
}