By Eva|2019-02-26T12:02:02+01:0026. 2. 2019|Komentáře nejsou povolené u textu s názvem Citizen Science and Volunteered Geographic Information – overview and typology of participation in Sui, D.Z., Elwood, S. and M.F. Goodchild (eds.), 2013. Crowdsourcing GeographicKnowledge:Volunteered Geographic Information (VGI) in Theory and Practice. Berlin: Springer.pp 105-122DOI: 10.1007/978-94-007-4587-2_7