Detection of a multishell planetary nebula around the hot subdwarf O-type star 2MASS J19310888+4324577A. Aller, L. F. Miranda, A. Ulla, R. Vázquez, P. F. Guillén, L. Olguín, C. Rodríguez-López, P. Thejll, R. Oreiro, M. Manteiga and E. PérezA&A, 552 (2013) A25DOI: https://doi.org/10.1051/0004-6361/201219560
