Derek Wilson Recent paper: Stacked Average Far-Infrared Spectrum of Dusty Star-Forming Galaxies from the Herschel/SPIRE Fourier Transform Spectrometer http://iopscience.iop.org/article/10.3847/1538-4357/aa8cc7/meta;jsessionid=252BB64720FA10534E7F1AF3961B4405.ip-10-40-2-120