A Versioning Subsystem of Metamodeling System [Electronic resource]Sgirka, RünnoCISSE 2011 International joint conferences2011 / [6 p. : ill] [CD-ROM] Evaluation of Different Designs to Represent Missing Information in SQL Databases [Electronic resource]Eessaar, Erki; Saal, ElariCISSE 2011 International joint conferences2011 / [6 p. : ill] [CD-ROM] https://link.springer.com/chapter/10.1007/978-1-4614-3535-8_14 Method for data collection and integration into 3D architectural model [Electronic resource]Kurik, Lembit; Sinivee, Veljo; Lints, Martin; Kallavus, UrveCISSE 2011 International Joint Conferences2011 / [5 p. : ill] [CD-ROM] Semi-agile Approach to Software Development Process [Electronic resource]Kumlander, DenissCISSE 2011 International joint conferences2011 / [5 p.] [CD-ROM]