The modification by diffuse radiation of "cometary tail" formation behind globules K. G. Pavlakis, R. J. R. Williams, J. E. Dyson, S. A. E. G. Falle and T. W. Hartquist A&A, 369 1 (2001) 263-268 Published online: 15 April 2001 DOI: 10.1051/0004-6361:20010070