![](/img/cover-not-exists.png)
Crowdsourcing Geographic Knowledge Volume 23 || Volunteered Geographic Information and Computational Geography: New Perspectives
Sui, Daniel, Elwood, Sarah, Goodchild, MichaelVolume:
10.1007/97
Year:
2013
Language:
english
Pages:
14
DOI:
10.1007/978-94-007-4587-2_8
File:
PDF, 493 KB
english, 2013