Planetary nebulae in the dwarf galaxy NGC 6822: Detection of new candidatesP. Leisy, R. L. M. Corradi, L. Magrini, R. Greimel, A. Mampaso and M. DennefeldA&A, 436 2 (2005) 437-442DOI: https://doi.org/10.1051/0004-6361:20041822