Distances to planetary nebulae with [WR]-type central stars.
Gorny S.K.
1996, Proceedings of the Ven Workshop on Planetary Nebulas with WR Type Nuclei, Lundstrom & Stenholm (eds.), Ap&SS 238, 79

Abstract:
We have found that distance scales of [WR] PN and non-[WR] PN calculated using statistical methods differ significantly. This difference is obviously not real and could be explained if nebular masses are higher or/and if the filling factors are very low in [WR] PN. If confirmed from the investigation of an enlarged sample this conclusion would be an important clue to the evolutionary history of [WR] PN.

PostScript version of the paper is accessible via anonymous ftp: g_VEN.ps.gz

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