@COMMENT This file was generated by bib2html.pl version 0.91 @COMMENT written by Patrick Riley @ARTICLE{RopPis06Backhauls, author = {S. Ropke and D. Pisinger}, title = {A unified heuristic for vehicle routing problems with backhauls}, journal = {European Journal of Operational Research}, volume = {171}, pages = {750--775}, year = {2006}, }