265256document91618ecsa_characteristics_of_citizen_science_-_v1_final.pdfapplication/pdf968fe1bd101787f72dbd06cb80c3f014MD55169162020-09-22 13:17:57https://pure.iiasa.ac.at/id/eprint/16732/1/ecsa_characteristics_of_citizen_science_-_v1_final.pdf