Planetary nebulae in the direction of the Galactic bulge: on nebulae with emission-line central starsS. K. Górny, C. Chiappini, G. Stasińska and F. CuisinierA&A, 500 3 (2009) 1089-1108DOI: https://doi.org/10.1051/0004-6361/200810841
