Collmar, W., Böttcher, M., Krichbaum, T. P., Agudo, I., Bottacini, E., Bremer, M., Burwitz, V., Cuccchiara, A., Grupe, D., & Gurwell, M. (2010). The multifrequency campaign on 3C 279 in January 2006. Astronomy & Astrophysics, 522:, pp. 1-11. doi:10.1051/0004-6361/201014823.