Show 20 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Koss, Michael J" or (type any "bookEditor issueEditor" and editor="Koss, Michael J") Add to list Journal Article A1 open access BAT AGN spectroscopic survey, XI : the covering factor of dust and gas in Swift/BAT active galactic nuclei Kohei Ichikawa, Claudio Ricci, Yoshihiro Ueda, Franz E Bauer, Taiki Kawamuro, Michael J Koss, Kyuseok Oh, David J Rosario, T Taro Shimizu, Marko Stalevski (UGent) , et al. (2019) ASTROPHYSICAL JOURNAL. 870(1).