The spitzer c2d legacy results: Star-formation rates and efficiencies; evolution and lifetimes

Neal J. Evans, Michael M. Dunham, Jes K. Jørgensen, Melissa L. Enoch, Bruno Merín, Ewine F. Van Dishoeck, Juan M. Alcalaá, Philip C. Myers, Karl R. Stapelfeldt, Tracy L. Huard, Lori E. Allen, Paul M. Harvey, T. I.M. Van Kempen, Geoffrey A. Blake, David W. Koerner, Lee G. Mundy, Deborah L. Padgett, Anneila I. Sargent