Loren, Robert B. The cobwebs of Ophiuchus. I - Strands of (C-13)O - The mass distribution. Astrophysical Journal, Part 1. March 15, 1989, 338: 902–924. Bibcode:1989ApJ...338..902L. doi:10.1086/167244.
Wilking, B. A.; Lada, C. J. The discovery of new embedded sources in the centrally condensed core of the Rho Ophiuchi dark cloud - The formation of a bound cluster. Astrophysical Journal, Part 1. November 15, 1983, 274: 698–716. Bibcode:1983ApJ...274..698W. doi:10.1086/161482.
Loren, Robert B. The cobwebs of Ophiuchus. I - Strands of (C-13)O - The mass distribution. Astrophysical Journal, Part 1. March 15, 1989, 338: 902–924. Bibcode:1989ApJ...338..902L. doi:10.1086/167244.
Wilking, B. A.; Lada, C. J. The discovery of new embedded sources in the centrally condensed core of the Rho Ophiuchi dark cloud - The formation of a bound cluster. Astrophysical Journal, Part 1. November 15, 1983, 274: 698–716. Bibcode:1983ApJ...274..698W. doi:10.1086/161482.