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author = {H. Spruit and E. S. Phinney},  journal = {Nature},  }  @ARTICLE{1993ApJ...405..273W,  author = {{Woosley}, S.~E.},  title = {{Gamma-ray bursts from stellar mass accretion disks around black holes}},  journal = {\apj},  keywords = {Accretion Disks, Black Holes (Astronomy), Gamma Ray Bursts, Stellar Evolution, Stellar Mass Accretion, Stellar Physics, Astronomical Models, Supernovae, Wolf-Rayet Stars},  year = {1993},  month = {mar},  volume = {405},  pages = {273-277},  doi = {10.1086/172359},  adsurl = {http://adsabs.harvard.edu/abs/1993ApJ...405..273W},  adsnote = {Provided by the SAO/NASA Astrophysics Data System},  }