COMPACT CONTINUUM RADIO SOURCES IN THE ORION NEBULA - Moran, J. M.; Garay, G.; Reid, M. J.; Genzel, R.; Ho, P. T. P. (Blackwell Publishing Ltd, 1982)
http://dx.doi.org/10.1111/j.1749-6632.1982.tb43395.x
Keywords: TA-TD