Submillimeter HO masers in water-fountain nebulae D. Tafoya, R. Franco-Hernández, W. H. T. Vlemmings, A. F. Pérez-Sánchez and G. Garay A&A, 562 (2014) L9 Published online: 20 February 2014 DOI: 10.1051/0004-6361/201323171