Tuffs, R. J. Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;
Popescu, C. C. Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society;
Green, D. A., Tuffs, R. J., & Popescu, C. C. (2004). Far-infrared and sub-mm observations of the Crab nebula. Monthly Notices of the Royal Astronomical Society, 355(4), 1315-1326.