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P - ω Dynamo in Spherical Geometry
P Comas-Sola 1986J
P CYG envelope and prospects of interferometric observations
P Cygni 2000 - Four hundred years of progress
P Cygni 2000: 400 Years of Progress
P Cygni and related profiles in the ultraviolet spectra of O-stars
P Cygni Features in the Chandra HETGS Spectrum of Cygnus X-3
P Cygni in a short S Doradus phase. Spectroscopic and photometric evidences
P Cygni in the far ultraviolet.
P Cygni profiles atop broad emission lines
P Cygni Profiles in He I 10830: Mass Outflow in R Coronae Borealis Stars
P Cygni profiles in long-period variables
P Cygni profiles in zeta Ophiuchi and zeta Puppis
P Cygni stars as a intermediate stage between red supergiants and Wolf-Rayet stars
P Cygni-spectral atlas with complete line identifications in the wavelength range from 4840 to 6760 A.
P Cygni: An Extraordinary Luminous Blue Variable
P Cygni: Four Centuries of Photometry
P Du-Toit 1986Q