1. Ampt, E., 2013. Workshop synthesis: Longitudinal methods: overcoming challenges and exploiting benefits. in: Transport survey methods: best practice for decision making. In: Zmud, J., Lee-Gosselin, M., Munizaga, M., Carrasco, J.A. (Eds.). Bingley, Emerald, 393-408.
2. Armoogum, J., et al. 2014. Survey HArmonisation with New Technologies Improvement (SHANTI). Paris: Les collections de l’INRETS.
3. Aultman-Hall, L., Harvey, C., Lamondia, J., Ritter, C., 2014. Design and Response Quality in a One-Year Longitudinal Survey of Overnight and Long-Distance Travel. 10th International Conference on Transport Survey Methods, Leura, Australia, paper 124.
4. Brög, W., 2012. What if the same are not the same: What exactly do we measure with panel surveys? Mobilogisch, 19-22 (in German).
5. Brög. W., Erl, E., Ker, I., Ryle, J., Wall, R., 2009. Evaluation of voluntary travel behaviour change: Experiences from three continents. Transport Policy 16, 281-292.