?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.isprsjprs.2017.01.019&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J&rft.au=Xiong%2C+J&rft.aulast=Xiong&rft.atitle=Automated+cropland+mapping+of+continental+Africa+using+Google+Earth+Engine+cloud+computing&rft.title=ISPRS+Journal+of+Photogrammetry+and+Remote+Sensing&rft.issn=0924-2716&rft.date=April+2017&rft.volume=126&rft.pages=225-244&rft.genre=article