D. W. Pessen. Ladder-diagram design for programmable controllers. Automatica, 25(3):407-412, 1989. [doi]
@article{Pessen89,
title = {Ladder-diagram design for programmable controllers},
author = {D. W. Pessen},
year = {1989},
doi = {10.1016/0005-1098(89)90008-3},
url = {http://dx.doi.org/10.1016/0005-1098(89)90008-3},
researchr = {https://researchr.org/publication/Pessen89},
cites = {0},
citedby = {0},
journal = {Automatica},
volume = {25},
number = {3},
pages = {407-412},
}