VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'Interstellar detection of methyl isocyanate CH_3_NCO in Sgr B2(N): a link from molecular clouds to comets.' (bibcode: 2015ApJ...812L...5H)
Halfen, D. T. (Creator), Ilyushin, V. V. (Creator), Ziurys, L. M. (Creator) (2016). CH_3_NCO (methyl isocyanate) transition frequencies. Centre de Donnees Strasbourg (CDS). 10.26093/cds/vizier.18129005