@TechReport{KumarBier11,
author = {Prem Kumar and Michel Bierlaire },
title = {Optimizing Fueling Decisions for Locomotives in Railroad Networks},
institution = {Transport and Mobility Laboratory, Ecole Polytechnique F\'ed\'erale de Lausanne},
type = {TECHNICAL REPORT TRANSP-OR EPFL},
number = {TRANSP-OR 111006},
year = {2011}
}