An infrared census of dust in nearby galaxies with spitzer (DUSTiNGS). II. discovery of metal-poor dusty AGB stars

Martha L. Boyer, Kristen B.W. Mcquinn, Pauline Barmby, Alceste Z. Bonanos, Robert D. Gehrz, Karl D. Gordon, M. A.T. Groenewegen, Eric Lagadec, Daniel Lennon, Massimo Marengo, Iain Mcdonald, Margaret Meixner, Evan Skillman, G. C. Sloan, George Sonneborn, Jacco T.H. Van Loon, Albert Zijlstra