Earth Observation of Global ChangesJukka M. Krisp, Liqiu Meng, Roland Pail, Uwe Stilla · First published 2012Open the Tome
Map-Based Mobile ServicesLiqiu Meng,Alexander Zipf,Stephan Winter · First published 2008Open the Tome
Map-based mobile servicesLiqiu Meng, Tumasch Reichenbacher · First published 2004 · Latest edition 2005Open the Tome
