„Warm IRAS sources. II. Optical spectroscopy of objects from the point source catalog”. Astronomy and Astrophysics. 96: 389–428. . Bibcode:1992A&AS...96..389D. WikidataQ66617610.
„Warm IRAS sources. II. Optical spectroscopy of objects from the point source catalog”. Astronomy and Astrophysics. 96: 389–428. . Bibcode:1992A&AS...96..389D. WikidataQ66617610.