@article{28b8550ec43d41b791d0dae791e18176,
title = "Toward an international definition of citizen science",
author = "Florian Heigl and Barbara Kieslinger and Paul, {Katharina Theresa} and Julia Uhlik and Daniel D{\"o}rler",
year = "2019",
month = apr,
day = "23",
doi = "10.1073/pnas.1903393116",
language = "English",
volume = "116",
pages = "8089--8092",
journal = "Proceedings of the National Academy of Sciences of the United States of America (PNAS)",
issn = "0027-8424",
publisher = "NAS",
number = "17",
}