Gas and dust in the beta Pictoris moving group as seen by the Herschel Space Observatory - Riviere-Marichalar, P.; Barrado, D.; Montesinos, B.; Duchêne, G.; Bouy, H.; Pinte, C.; Menard, F.; Donalson, J.; Eiroa, C.; Krivov, A. V.; Kamp, I.; Mendigutía, I.; et al.