Τρύφωνα, Ν., & Χατζηλάκος, Θ. (1992). A Model for Expressing Topological Integrity Constraints in Geographic Databases C.T.I. Technical Report TR 92.04.08. Computer Technology Institute Computer Science and Engineering Department, Patras University Ινστιτούτο Τεχνολογίας Υπολογιστών.
Chicago Style (17th ed.) CitationΤρύφωνα, Νεκταρία, and Θανάσης Χατζηλάκος. A Model for Expressing Topological Integrity Constraints in Geographic Databases C.T.I. Technical Report TR 92.04.08. Patras Greece Patras Greece Πάτρα Ελλάδα: Computer Technology Institute Computer Science and Engineering Department, Patras University Ινστιτούτο Τεχνολογίας Υπολογιστών, 1992.
MLA (8th ed.) CitationΤρύφωνα, Νεκταρία, and Θανάσης Χατζηλάκος. A Model for Expressing Topological Integrity Constraints in Geographic Databases C.T.I. Technical Report TR 92.04.08. Computer Technology Institute Computer Science and Engineering Department, Patras University Ινστιτούτο Τεχνολογίας Υπολογιστών, 1992.