N. Erickson

Herschel/HIFI measurements of the ortho/para ratio in water towards Sagittarius B2(M) and W31C

P. Hennebelle, K. Menten, H. Müller, 2010, 1007.1466.

Herschel observations of ortho- and para-oxidaniumyl (H2O+) in spiral arm clouds toward Sagittarius B2(M)

K. Menten, M. Pérault, D. Johnstone, 2010, 1007.0670.