Barbara M. Smith. Impacs - A bus crew scheduling system using integer programming. Math. Program., 42(1-3):181-187, 1988. [doi]
@article{Smith88-4,
title = {Impacs - A bus crew scheduling system using integer programming},
author = {Barbara M. Smith},
year = {1988},
doi = {10.1007/BF01589402},
url = {http://dx.doi.org/10.1007/BF01589402},
researchr = {https://researchr.org/publication/Smith88-4},
cites = {0},
citedby = {0},
journal = {Math. Program.},
volume = {42},
number = {1-3},
pages = {181-187},
}