265246document91614ecsa_characteristics_of_citizen_science_explanation_notes_-_v1_final.pdfapplication/pdf1914e8dd84d975e68245d3f42451e7d0MD59304992020-09-22 13:12:28https://pure.iiasa.ac.at/id/eprint/16731/1/ecsa_characteristics_of_citizen_science_explanation_notes_-_v1_final.pdf