TY - JOUR A1 - Garcia-Segura, Guillermo A1 - Franco, J. A1 - Lopez, J. A. A1 - Langer, Norbert A1 - Rozyczka, M. T1 - MHD Models for planetary nebulae Y1 - 2000 ER - TY - JOUR A1 - Heger, Alexander A1 - Langer, Norbert A1 - Woosley, S. E. T1 - Presupernova evolution of rotating massive stars I : numerical method and evolution of the internal stellar structure Y1 - 2000 ER - TY - JOUR A1 - Heger, Alexander A1 - Woosley, S. E. A1 - Langer, Norbert T1 - Stellar models including pre-SN/SN phases Y1 - 2000 ER - TY - JOUR A1 - Langer, Norbert A1 - Deutschmann, A. A1 - Wellstein, Stephan A1 - Höflich, P. T1 - The evolution of main sequence star + white dwarf binary systems towards Type Ia supernovae Y1 - 2000 ER - TY - JOUR A1 - Figer, Donald F. A1 - Najarro, F. A1 - Langer, Norbert T1 - The pistol star and massive stars in the galactic center Y1 - 2000 ER -