de Val-Borro, M., Bockelée-Morvan, D., Jehin, E., Hartogh, P., Opitom, C., Szutowicz, S., et al. (2014). Herschel observations of gas and dust in comet C/2006 W3 (Christensen) at 5 AU from the Sun. Astronomy and Astrophysics, 564: A124. doi:10.1051/0004-6361/201423427.