Lee, Ming S.; & McNally, Michael G.(2003). On the Structure of Weekly Activity/Travel Patterns. University of California Transportation Center. UC Berkeley: University of California Transportation Center. Retrieved from: http://www.escholarship.org/uc/item/15w464vp Lee, Ming S.; & McNally, Michael G.(2001). On the Structure of Weekly Activity/Travel Patterns. Center for Activity Systems Analysis. UC Irvine: Center for Activity Systems Analysis. Retrieved from: http://www.escholarship.org/uc/item/1vn7958m