Information security in the Republic of Estonia : whence it started, and whereto it tendsOit, Monika; Praust, ValdoInformation technology in public administration of Estonia : yearbook 19981999 / p. 93-95

Information society and its landmarksPraust, ValdoInformation technology in public administration of Estonia : yearbook 19981999 / p. 11-15

Security related classification of state information systemsPraust, ValdoInformation technology in public administration of Estonia : yearbook 19981999 / p. 95-98

Year 2000 : status report and lessonsKirt, Toomas; Tepandi, JaakInformation technology in public administration of Estonia : yearbook 19981999 / p. 19-21