José Ramón Gil-García Sehl Mellouli Celene Navarrete Hans Jochen Scholl Theresa A. Pardo Anthony M. Cresswell Lei Zheng Integration and interoperation at the border states in North America: a status report. 342-343 2009 D.GO http://doi.acm.org/10.1145/1556176.1556248 conf/dgo/2009 db/conf/dgo/dgo2009.html#Gil-GarciaMNSPCZ09