Fred S. Roberts, Yonghua Xu. On the optimal strongly connected orientations of city street graphs. III. Three east-west avenues or north-south streets. Networks, 22(2):109-143, 1992. [doi]
@article{RobertsX92,
title = {On the optimal strongly connected orientations of city street graphs. III. Three east-west avenues or north-south streets},
author = {Fred S. Roberts and Yonghua Xu},
year = {1992},
doi = {10.1002/net.3230220202},
url = {http://dx.doi.org/10.1002/net.3230220202},
researchr = {https://researchr.org/publication/RobertsX92},
cites = {0},
citedby = {0},
journal = {Networks},
volume = {22},
number = {2},
pages = {109-143},
}