Visualising and evaluating objective citizen-contributed environmental information: the CITI-SENSE Citizens' Observatory Toolbox.

Cole-Hunter, T.; Santiago, L.; Arpaci, A.; Broday, D.; Castell, N.; Galea, K.; Jovasevic-Stojanovic, M.; Martinez, T.; Robinson, J.; Svecova, V.; Keune, H.; Hurley, F.; Liu, H.-Y.; Berre, A.; Nieuwenhuijsen, M.; Bartonova, A.