Dennis P. Geller. Letter on Parker's "design methodologies: a comparison". ACM SIGSOFT Software Engineering Notes, 4(1):18, 1979. [doi]
@article{Geller79-0,
title = {Letter on Parker's "design methodologies: a comparison"},
author = {Dennis P. Geller},
year = {1979},
doi = {10.1145/1010773.1010776},
url = {https://doi.org/10.1145/1010773.1010776},
researchr = {https://researchr.org/publication/Geller79-0},
cites = {0},
citedby = {0},
journal = {ACM SIGSOFT Software Engineering Notes},
volume = {4},
number = {1},
pages = {18},
}