DeFrees, D J Calculations concerning the HCO+/HOC+ abundance ratio in dense interstellar clouds. [electronic resource] - The Astrophysical journal Apr 1984 - 322-34 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. ISSN: 0004-637X Standard No.: 10.1086/161893 doi Subjects--Topical Terms: Aldehydes--analysisAstronomical PhenomenaAstronomyExtraterrestrial EnvironmentFormaldehyde--chemistryHydrocarbons--analysisHydrogen--chemistryIsomerismModels, MolecularQuantum Theory