Submillimeter water and ammonia absorption by the peculiar z ˜ 0.89 interstellar medium in the gravitational lens of the PKS 1830-211 systemv. 492EDP Sciences725-730
Menten, Karl M., Gsten, R., Leurini, S., Thorwirth, S., Henkel, C., Klein, B., Carilli, Christopher L., and Reid, Mark J. 2008. "Submillimeter water and ammonia absorption by the peculiar z ˜ 0.89 interstellar medium in the gravitational lens of the PKS 1830-211 system." Astronomy and Astrophysics, 492 725–730.