Ruth E. Anderson Waylon Brunette Erica J. Johnson Caitlin Lustig Anthony Poon Cynthia Putnam Odina Salikhbaeva Beth E. Kolko Gaetano Borriello Experiences with a transportation information system that uses only GPS and SMS. 4:1-4:10 2010 ICTD https://doi.org/10.1145/2369220.2369223 conf/ictd/2010 db/conf/ictd/ictd2010.html#AndersonBJLPPSK10