Bispectrum speckle interferometry of the massive protostellar object S140 IRS 1: Evidence for multiple outflowsG. Weigelt, Y. Y. Balega, T. Preibisch, D. Schertl and M. D. SmithA&A, 381 3 (2002) 905-913DOI: https://doi.org/10.1051/0004-6361:20011562
