VizieR online Data Catalogue associated with article published in journal Astronomical Journal (AAS) with title 'Millimeter/submillimeter spectroscopy of TiO (X^3^{Delta}_r_): the rare titanium isotopologues.' (bibcode: 2016ApJ...833....9L)
Lincowski, A. P. (Creator), Halfen, D. T. (Creator), Ziurys, L. M. (Creator) (2017). Rotational frequencies of TiO isotopologues. Centre de Donnees Strasbourg (CDS). 10.26093/cds/vizier.18330009