Circumstellar molecular envelopes of AGB and post-AGB objects Hans Olofsson OriginalPaper Pages: 169 - 200
Structure and evolution of central stars of planetary nebulae D. SchönbernerT. Blöcker OriginalPaper Pages: 201 - 217
Observational tests of the Interacting Winds Model of Planetary Nebulae M. BryceJ. Meaburn OriginalPaper Pages: 219 - 231
Multiple shell planetary nebulae: Evolutionary paths and observed configurations Letizia Stanghellini OriginalPaper Pages: 233 - 238
The shaping of planetary nebulae and the SN 1987A nebula R. A. Chevalier OriginalPaper Pages: 255 - 262