@techreport{mehlhorn89z,
TITLE = {Routing Problems in Grid Graphs},
AUTHOR = {Kaufmann, Michael and Mehlhorn, Kurt},
LANGUAGE = {eng},
ISSN = {0724-3138},
LOCALID = {Local-ID: C1256428004B93B8-7C8F10A2625E42DBC12571EF00400013-mehlhorn89z},
INSTITUTION = {Institut f{\"u}r {\"O}konometrie und Operations Research},
ADDRESS = {Bonn},
YEAR = {1989},
DATE = {1989},
TYPE = {Report},
VOLUME = {89},
EID = {561},
}