Department of Regional Economy
Kukrus, Ants
;
Pavelson, Marje
;
Raudjärv, Matti
;
Paalberg, Harry
;
Laas, Kaljo
;
Rajangu, Väino
Research activities / Tallinn Technical University
1993
/
p. 101-102
https://www.ester.ee/record=b1053754*est