Obtaining material identification with cosmic ray radiography oleh C. L. Morris, Konstantin Borozdin, Jeffrey Bacon, Elliott Chen, Zarija Lukić, Edward Milner, Haruo Miyadera, John Perry, Dave Schwellenbach, Derek Aberle, Wendi Dreesen, J. Andrew Green, George G. McDuff, Kanetada Nagamine, Michael Sossong, Candace Spore, Nathan Toleman