VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'The Arizona Radio Observatory CO mapping survey of galactic molecular clouds. III. The Serpens cloud in CO J = 2-1 and ^13^CO J = 2-1 emission.' (bibcode: 2013ApJS..209...39B)
Burleigh, K. J. (Creator), Bieging, J. H. (Creator), Chromey, A. (Creator), Kulesa, C. (Creator), Peters, W. L. (Creator) (2014). CO survey of molecular clouds. III. Serpens. Centre de Donnees Strasbourg (CDS). 10.26093/cds/vizier.22090039