Guido Grohmann Anja Hofer Gunnar Martin ARIS MOBILE: Helping to Define the Future of Mobile Learning. 213-219 2005 conf/icmb/2005 ICMB http://doi.ieeecomputersociety.org/10.1109/ICMB.2005.21 db/conf/icmb/icmb2005.html#GrohmannHM05