Paul Molitor. A hierarchy preserving hierarchical bottom-up 2-layer wiring algorithm with respect to via minimization. Integration, 15(1):73-95, 1993. [doi]
@article{Molitor93,
title = {A hierarchy preserving hierarchical bottom-up 2-layer wiring algorithm with respect to via minimization},
author = {Paul Molitor},
year = {1993},
doi = {10.1016/0167-9260(93)90005-W},
url = {http://dx.doi.org/10.1016/0167-9260(93)90005-W},
researchr = {https://researchr.org/publication/Molitor93},
cites = {0},
citedby = {0},
journal = {Integration},
volume = {15},
number = {1},
pages = {73-95},
}