The relation for planetary nebulaeD. Urošević, B. Vukotić, B. Arbutina, D. Ilić, M. Filipović, I. Bojičić, S. Šegan and S. VidojevićA&A, 495 2 (2009) 537-546DOI: https://doi.org/10.1051/0004-6361/200809494
relation for planetary nebulae relation for planetary nebulae