TY  - JOUR
A1  - Hamann, Wolf-Rainer
A1  - Koesterke, Lars
A1  - Wesselowski, U.
T1  - Spectral analyses of the galactic Wolf-Rayet stars : hydrogen-helium abundances and improved stellar parameters for the WN class
Y1  - 1995
ER  - 
TY  - JOUR
A1  - Hamann, Wolf-Rainer
A1  - Koesterke, Lars
A1  - Wesselowski, U.
T1  - Spectral atlas of galactic Wolf-Rayet stars (WN-sequence)
Y1  - 1995
ER  - 
TY  - JOUR
A1  - Koesterke, Lars
A1  - Hamann, Wolf-Rainer
T1  - Spectral analyses of 25 galactic Wolf-Rayet stars of the carbon sequence
Y1  - 1995
ER  - 
TY  - JOUR
A1  - Hamann, Wolf-Rainer
A1  - Koesterke, Lars
T1  - Spectral analyses with the standard model : Part II: Wolf-Rayet Stars
Y1  - 1996
ER  - 
TY  - JOUR
A1  - Pena, M.
A1  - Hamann, Wolf-Rainer
A1  - Koesterke, Lars
A1  - Maza, J.
A1  - Mendez, R. H.
A1  - Peimbert, M.
A1  - Ruiz, M. T.
A1  - Torres-Peimbert, S.
T1  - HST spectrophotometric data of the central star of the planetary nebula LMC-N66
Y1  - 1997
ER  - 
TY  - JOUR
A1  - Koesterke, Lars
A1  - Hamann, Wolf-Rainer
T1  - Spectral analyses of central of planetary nebulae of early WC-type / NGC 6751 and Sanduleak 3
Y1  - 1997
ER  - 
TY  - JOUR
A1  - Pena, M.
A1  - Hamann, Wolf-Rainer
A1  - Koesterke, Lars
A1  - Maza, J.
A1  - Mendez, R. H.
A1  - Peimbert, M.
A1  - Ruiz, M. T.
A1  - Torres-Peimbert, S.
T1  - Spectrophotometric data of the central star of the large magellanic cloud planetary nebula N66. Quantitative analysis of its WN type spectrum
Y1  - 1997
ER  - 
TY  - JOUR
A1  - Koesterke, Lars
A1  - Hamann, Wolf-Rainer
T1  - Quantitative spectral analyses of CSPNs of early [WC]-type
Y1  - 1997
ER  - 
TY  - JOUR
A1  - Dreizler, S.
A1  - Werner, Klaus
A1  - Rauch, Thomas
A1  - Koesterke, Lars
A1  - Heber, Ulrich
T1  - NLTE Analyses of PG 1159 stars : Contraints for the structure and evolutiuon of Post-AGB stars
Y1  - 1997
ER  - 
TY  - JOUR
A1  - Koesterke, Lars
A1  - Dreizler, S.
A1  - Rauch, Thomas
T1  - On the mass-loss of PG 1159 stars
Y1  - 1998
ER  -