Mark J. Weal Don Cruickshank Danius T. Michaelides David E. Millard David De Roure Katherine Howland Geraldine Fitzpatrick A Card Based Metaphor for Organising Pervasive Educational Experiences. 165-170 2007 conf/percom/2007w PerCom Workshops http://dx.doi.org/10.1109/PERCOMW.2007.3 db/conf/percom/percomw2007.html#WealCMMRHF07