Show 50 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "estonia" cql: author exact 000091849704 or (type exact bookEditor and editor exact 000091849704) Add to list Journal Article A1 Understanding monthly variability in human activity spaces: a twelve-month study using mobile phone call detail records Olle Järv (UGent) , Rein Ahas and Frank Witlox (UGent) (2014) TRANSPORTATION RESEARCH PART C-EMERGING TECHNOLOGIES. 38. p.122-135