@book{Henderson+1958,
url = {https://doi.org/10.4159/harvard.9780674493179},
title = {The Efficiency of the Coal Industry},
title = {An Application of Linear Programming},
author = {James M. Henderson},
publisher = {Harvard University Press},
address = {Cambridge, MA and London, England},
doi = {doi:10.4159/harvard.9780674493179},
isbn = {9780674493179},
year = {1958},
lastchecked = {2026-05-02}
}