Magdis GE, Elbaz D, Dickinson M, Hwang HS, Charmandaris V, Armus L, Daddi E, Le Floc?h E, Aussel H, Dannerbauer H, et al. GOODS-Herschel: a population of 24 $?$m dropout sources at z< 2. Astronomy & Astrophysics. 2011;534:A15.