@TechReport{CorFloVitTam2011,
author = {Ruben Corthout and Gunnar Fl\"otter\"od and Francesco Viti and Chris Tampere },
title = {Non-unique flows in macroscopic first-order intersection models},
institution = {Transport and Mobility Laboratory, Ecole Polytechnique F\'ed\'erale de Lausanne},
number = {TRANSP-OR 110520},
year = {2011}
}