@TechReport{KumarBier12,
author = {Prem Kumar and Michel Bierlaire },
title = {Multi-Objective Airport Gate Assignment Problem in Planning and Operations},
institution = {Transport and Mobility Laboratory, Ecole Polytechnique F\'ed\'erale de Lausanne},
type = {TECHNICAL REPORT TRANSP-OR EPFL},
number = {TRANSP-OR 120321},
year = {2012}
}