@article{484009,
      recid = {484009},
      author = {Böwering, Gerhard,},
      title = {The mystical vision of existence in classical Islam the  Qur'ānic hermeneutics of the Ṣūfī Sahl At-Tustarī (d.  283/896) / [electronic resource] :},
      publisher = {Walter de Gruyter,},
      address = {Berlin ;},
      pages = {ix, 286 p.},
      year = {1979},
      note = {Includes indexes.},
      url = {http://library.usi.edu/record/484009},
}