https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=29631&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=25681&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=20511&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=25391&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=29231&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=1791&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=40951&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=58077&year=0
https://comserv.cs.ut.ee/ati_thesis/ datasheet.php?id=46411&year=0
"TOETAS EESTI RIIK"
Estonian