00509nam a2200121Ia 4500008004100000020002200041041001200063100006900075245008100144260004700225440004200272650007300314231221s9999    xx            000 0 und d  a978-3-642-19814-4  aEnglish  aThanasis Daradoumis, Santi Caballé, Angel A. Juan, Fatos Xhafa 0aTechnology-Enhanced Systems and Tools for Collaborative Learning Scaffolding  c2011bSpringer Berlin HeidelbergaNew York  aStudies in Computational Intelligence  aComputational Intelligence; Artificial Intelligence (incl. Robotics)