The listed publications below are just an excerpt of all relevant papers about Wolf-Rayet Stars and WR 134 and 135. We collect each information about additional work.

Corotating interaction regions in stellar winds Mullan (1984)
Large-scale periodic variability of the wind of the Wolf-Rayet star WR 1 (HD 4004). Chené & St-Louis (2010)
Optical spectroscopy of EZ Canis Majoris: Indication for large-scale structures in a Wolf-Rayet wind Morel et al. (1997)
A 2.3 day periodic variability in the apparently single Wolf-Rayet star WR 134: Collapsed companion or rotational modulation? Morel et al. (1999)
Sub-surface convection zones in hot massive stars and their observable consequences Cantiello et al. (2009)
Time-dependent models of radiatively driven stellar winds. I - Nonlinear evolution of instabilities for a pure absorption model Owocki et al. (1988)
On molecular cloud scaling laws and star formation Henriksen et al. (1991)
Clumping and mass loss in hot star winds Moffat & Robert (1994)
A Systematic Search for Corotating Interaction Regions in Apparently Single Galactic Wolf-Rayet Stars. I. Characterizing the Variability St-Louis et al. (2009)
Long- and short-term variability in O-star winds? II. Quantitative analysis of DAC behaviour Kaper et al. (1999)
Physical Properties of Wolf-Rayet Stars (engl., 639 kb) Crowther (2006) Review-Artikel
Models of Wolf-Rayet Stars (engl., 1180 kb) Langer (1990)
The Unusual 2001 Periastron Passage in the ‘‘Clockwork’’ Colliding-Wind Binary WR 140 (engl., 423 kb) Marchenko et al. (2003)
Wind Inhomogeneities in WR Stars. I. Search for Scaling Laws Using Wavelet Transforms (engl., 2253 kb) Lepine et al. (1996)
Wind Inhomogeneities in WR Stars. II. Investigation of Emission-Line Profile Variations, (engl., 2234 kb) Lepine et al. (1999)
Wind Inhomogeneities in WR Stars. III. Unusual Emission-Line Profile Variations in g² Vel, (engl., 1021 kb) Lepine et al. (2000)
Wind Inhomogeneities in WR Stars. IV. Using Clumps to Probe the Wind in HD 192103 (engl., 871 kb) Lepine et al. (2000)
The Structure of Wolf-Rayet Winds from an Observational Viewpoint, (engl., 1436 kb) Moffat & Lépine (2000)