Albertas Caplinskas Jelena Gasperovic Techniques to Aggregate the Characteristics of Internal Quality of an IS Specification Language. 519-540 2005 16 Informatica, Lith. Acad. Sci. 4 http://www.vtex.lt/Informatica/htm/INFO614.htm db/journals/informaticaLT/informaticaLT16.html#CaplinskasG05