Herschel survey and modelling of externally-illuminated photoevaporating protoplanetary disksJ. Champion, O. Berné, S. Vicente, I. Kamp, F. Le Petit, A. Gusdorf, C. Joblin and J. R. GoicoecheaA&A, 604 (2017) A69DOI: https://doi.org/10.1051/0004-6361/201629404