?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Maso%2C+J.&rft.aulast=Maso&rft.aufirst=J.&rft.date=April+2016&rft.title=Topology+of+the+European+Network+of+Earth+Observation+Networks+and+the+need+for+an+European+Network+of+Networks&rft.genre=proceeding