Randolph W. Hall. Graphical Interpretation of the Transportation Problem. Transportation Science, 23(1):37-45, 1989. [doi]
@article{Hall89-3,
title = {Graphical Interpretation of the Transportation Problem},
author = {Randolph W. Hall},
year = {1989},
doi = {10.1287/trsc.23.1.37},
url = {http://dx.doi.org/10.1287/trsc.23.1.37},
researchr = {https://researchr.org/publication/Hall89-3},
cites = {0},
citedby = {0},
journal = {Transportation Science},
volume = {23},
number = {1},
pages = {37-45},
}