David W. Barron. A note on Program Debugging in an On-Line Environment. Comput. J., 12(1):104, 1969. [doi]
@article{Barron69, title = {A note on Program Debugging in an On-Line Environment}, author = {David W. Barron}, year = {1969}, doi = {10.1093/comjnl/12.1.104}, url = {https://doi.org/10.1093/comjnl/12.1.104}, researchr = {https://researchr.org/publication/Barron69}, cites = {0}, citedby = {0}, journal = {Comput. J.}, volume = {12}, number = {1}, pages = {104}, }