Econometric models of Estonian banking system's developmentAarma, August; Vainu, JaanNavigating Crisis and Oppurtunities in Global Markets : Leadership, Strategy and Governance : international conference : Cape Town, South Africa, June 8-12, 2004 : readings book2004 / p. 886-891 New approach to constructing of factor indiciesVainu, JaanNavigating Crisis and Oppurtunities in Global Markets : Leadership, Strategy and Governance : international conference : Cape Town, South Africa, June 8-12, 2004 : readings book2004 / p. 892-895