Phillips, J. P.; Cuesta, L. (March 1996). "NGC 6210: an Observational Case Study of a Jet Emitting Source". Astronomical Journal. 111: 1227. Bibcode:1996AJ....111.1227P. doi:10.1086/117868.
Phillips, J. P.; Cuesta, L. (March 1996). "NGC 6210: an Observational Case Study of a Jet Emitting Source". Astronomical Journal. 111: 1227. Bibcode:1996AJ....111.1227P. doi:10.1086/117868.