Bispectrum speckle interferometry of IRC +10216: The dynamic evolution of the innermost circumstellar environment from 1995 to 2001G. Weigelt, Y. Y. Balega, T. Blöcker, K.-H. Hofmann, A. B. Men'shchikov and J. M. WintersA&A, 392 1 (2002) 131-141DOI: https://doi.org/10.1051/0004-6361:20020915
