1. Using Smartphones and Sensor Technologies to Automate Collection of Travel Data;Abdulazim;Transportation Research Record,2013
2. Allström A. 2016. Experiences from smartphone based travel data collection.
3. Smartphone Based Travel Diary Collection: Experiences from a Field Trial in Stockholm;Allstrom;Emerging technologies and models for transport and mobility, Elsevier science bv, Sara Burgerhartstraat,2017
4. Azoulay, B. and Z. Patterson. Comprehensive list of references for the paper “Towards the Standardization of Reporting in Smartphone Travel Surveys: The Development and Application of the Smartphone Survey Reporting Guidelines (SSRGs).” Available at: https://github.com/zachary-patterson/documents/blob/20087803e4871bd27f82d941bc80a979f288ee95/ssrg_references_table_alphabetical_order.pdf
5. Who You Are Is How You Travel: A Framework for Transportation Mode Detection Using Individual and Environmental Characteristics;Bantis;Transportation Research Part C: Emerging Technologies,2017