Pei Hsia, Frederick E. Petry. A Systematic Approach to Interactive Programming. IEEE Computer, 13(6):27-34, 1980. [doi]
@article{HsiaP80-0, title = {A Systematic Approach to Interactive Programming}, author = {Pei Hsia and Frederick E. Petry}, year = {1980}, doi = {10.1109/MC.1980.1653662}, url = {http://doi.ieeecomputersociety.org/10.1109/MC.1980.1653662}, researchr = {https://researchr.org/publication/HsiaP80-0}, cites = {0}, citedby = {0}, journal = {IEEE Computer}, volume = {13}, number = {6}, pages = {27-34}, }