... text 506 174 564 72 3 5 47 281 062 055 286 511 086 003** 009** 014* 046* 048* 0 67 009** 016* 002** 1 47 031* 006** 0 07* * 059 019* 023* 136 377 000** 002** 0 07* * 013* pencil voice cam 672 176 012* ... Reichenbacher, T (2005): Map-based mobile services In Map-based mobile services Theories, Methods and Implementations, Meng, L., Zipf, T and Reichenbacher, T (eds): Springer, pp 1-10 Mou, W., and McNamara, ... 49 -71 Downs, R., and Stea, D (1 977 ): Maps in Minds New York: Harper and Row Evans, G.W (1980): Environmental cognition Psychological Bulletin, Vol 88, pp.259-2 87 Garsoffky, B., Schwan, S., and...