Charles C. Chiang, Majid Sarrafzadeh, C. K. Wong. An optimal algorithm for rectilinear steiner trees for channels with obstacles. I. J. Circuit Theory and Applications, 19(6):551-563, 1991. [doi]
@article{ChiangSW91,
title = {An optimal algorithm for rectilinear steiner trees for channels with obstacles},
author = {Charles C. Chiang and Majid Sarrafzadeh and C. K. Wong},
year = {1991},
doi = {10.1002/cta.4490190604},
url = {https://doi.org/10.1002/cta.4490190604},
researchr = {https://researchr.org/publication/ChiangSW91},
cites = {0},
citedby = {0},
journal = {I. J. Circuit Theory and Applications},
volume = {19},
number = {6},
pages = {551-563},
}