Fred S. Roberts, Yonghua Xu. On the optimal strongly connected orientations of city street graphs. II: Two east-west avenues or North - South Streets. Networks, 19(2):221-233, 1989. [doi]
@article{RobertsX89,
title = {On the optimal strongly connected orientations of city street graphs. II: Two east-west avenues or North - South Streets},
author = {Fred S. Roberts and Yonghua Xu},
year = {1989},
doi = {10.1002/net.3230190204},
url = {http://dx.doi.org/10.1002/net.3230190204},
researchr = {https://researchr.org/publication/RobertsX89},
cites = {0},
citedby = {0},
journal = {Networks},
volume = {19},
number = {2},
pages = {221-233},
}