Avalik-õiguslikud ning riigi teadus- ja arendusasutused = Public and state RAMPD organizations : [teatmik]
2000
https://www.ester.ee/record=b1417853*est
Eesti Teaduste Akadeemia aastaraamat 2003
2004
https://www.ester.ee/record=b1218094*est
Estonian Academy of Sciences year book 2000
Engelbrecht, Jüri
2001
https://www.ester.ee/record=b1218154*est
Estonian Academy of Sciences year book 2002
Engelbrecht, Jüri
2003
https://www.ester.ee/record=b1218154*est
Estonian Academy of Sciences year book 2005
Mõtus, Leo
2006
https://www.ester.ee/record=b1218154*est