David F. Martin, Gerald Estrin. Path Length Computations on Graph Models of Computations. IEEE Transactions on Computers, 18(6):530-536, 1969. [doi]
@article{MartinE69,
title = {Path Length Computations on Graph Models of Computations},
author = {David F. Martin and Gerald Estrin},
year = {1969},
doi = {10.1109/T-C.1969.222705},
url = {http://doi.ieeecomputersociety.org/10.1109/T-C.1969.222705},
researchr = {https://researchr.org/publication/MartinE69},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Computers},
volume = {18},
number = {6},
pages = {530-536},
}