• Easy to use empirical model for green vegetation reflection spectrum in VIS-NIR rangeUdal, Andres; Jürise, Martin; Kaugerand, Jaanus; Sell, RaivoSPIE digital library2020 / art. 115240H-1–14 https://doi.org/10.1117/12.2570820 https://www.scopus.com/sourceid/40067 https://www.scopus.com/record/display.uri?eid=2-s2.0-85091210172&origin=inward&txGid=1f8411b339dfce46694d2685206b76a5 https://www.webofscience.com/wos/woscc/full-record/WOS:000589976100016
• Extending UML profiles to model integrity constraints in SQL databasesEessaar, Erki; Aaberg, ErkoProceedings of the 21th [i. e. 21st] European-Japanese Conference on Information Modelling and Knowledge Bases : EJC2011 : Tallinn, Estonia, June 06-10, 2011. Vol. 12011 / p. 47-65 : ill https://www.researchgate.net/publication/260291830_Extending_UML_Profiles_to_Model_Integrity_Constraints_in_SQL_Databases
• Extending UML profiles to model integrity constraints in SQL databasesEessaar, Erki; Aaberg, ErkoInformation modelling and knowledge bases XXIII2012 / p. 39-58 : ill https://www.researchgate.net/publication/260291830_Extending_UML_Profiles_to_Model_Integrity_Constraints_in_SQL_Databases
• Processing multiple databases in the Estonian water information systemViies, Vladimir; Ennet, Peeter; Aigro, Jaan; Kinks, Hannes; Kullamaa, Robert; Ozolit, Ott Madis; Salula, AinDatabases and Information Systems : tenth International Baltic Conference on Databases and Information Systems : local proceedings, materials of doctoral consortium : Vilnius, Lithuania, July 8-11, 20122012 / p. 29-36 : ill