P. Ludford, D. Cosley, D. Frankowski, and L. Terveen. CHI '04: Proceedings of the SIGCHI conference on Human factors in computing systems, page 631--638. New York, NY, USA, ACM Press, (2004)
P. Ludford, R. Priedhorsky, K. Reily, and L. Terveen. CHI '07: Proceedings of the SIGCHI conference on Human factors in computing systems, page 1235--1244. New York, NY, USA, ACM Press, (2007)
P. Ludford, R. Priedhorsky, K. Reily, and L. Terveen. CHI '07: Proceedings of the SIGCHI conference on Human factors in computing systems, page 1235--1244. New York, NY, USA, ACM Press, (2007)
P. Ludford, R. Priedhorsky, K. Reily, and L. Terveen. CHI '07: Proceedings of the SIGCHI conference on Human factors in computing systems, page 1235--1244. New York, NY, USA, ACM Press, (2007)
P. Ludford, D. Cosley, D. Frankowski, and L. Terveen. CHI '04: Proceedings of the SIGCHI conference on Human factors in computing systems, page 631--638. New York, NY, USA, ACM, (2004)
P. Ludford, R. Priedhorsky, K. Reily, and L. Terveen. Proceedings of the 2007 Conference on Human Factors in Computing Systems (CHI 2007), page 1235-1244. San Jose, California, ACM Press, (April 2007)
P. Ludford, D. Cosley, D. Frankowski, and L. Terveen. CHI '04: Proceedings of the SIGCHI conference on Human factors in computing systems, page 631--638. New York, NY, USA, ACM Press, (2004)
P. Ludford, D. Frankowski, K. Reily, K. Wilms, and L. Terveen. CHI, page 889--898. New York, CHI, ACM Press, (April 2006)http://www.cs.cmu.edu/~jasonh/courses/ubicomp-sp2007/papers/23-location-reminder.pdf
-- last visited $7^th$ December 2007.
P. Ludford, D. Cosley, D. Frankowski, and L. Terveen. CHI '04: Proceedings of the SIGCHI conference on Human factors in computing systems, page 631--638. New York, NY, USA, ACM Press, (2004)