1)- Stephen Feinberg, Ron Williams, Gayle S W Hagler, Joshua Rickard, Ryan Brown, Daniel Garver, Greg Harshfield, Phillip Stauffer, Erick Mattson, Robert Judge, Sam Garvey. Long-term evaluation of air sensor technology under ambient conditions in Denver, Colorado.Atmospheric measurement techniques. 2018, 11 (8): 4605-4615