Billen, Roland books & textbook
Advances in Conceptual Modeling. Recent Developments and New Directions: ER 2011 Workshops FP-UML, MoRE-BI, Onto-CoM, SeCoGIS, Variability@ER, WISM, ... (Lecture Notes in Computer Science, 6999)
De Troyer, Olga Bauzer Medeiros, Claudia Billen, Roland Hallot, Pierre Simitsis, Alkis Van Mingroot, Hans
Springer /2011-10-12 Paperback / 416 Pages
isbn-10: 3642245730 / isbn-13: 9783642245732
Dynamic and Mobile GIS (Innovations in GIS)
Forrest, David Joao, Elsa Billen, Roland
CRC Press /2019-09-27 Hardcover / 346 Pages
isbn-10: 0849390923 / isbn-13: 9780849390920
