Older and experienced hospital staffKristjuhan, Ülo; Kalaus, L.4th Symposium on Work Ability : Age Management during the Life Course : Tampere, 6-9 June 20102010 / p. 100

Older and experienced hospital staffKristjuhan, Ülo; Kalaus, L.Age Management during the Life Course : Proceedings of the 4th Symposium on Work Ability2011 / p. 239-245

Real problems of extending working lifeKristjuhan, Ülo; Taidre, Erika4th Symposium on Work Ability : Age Management during the Life Course : Tampere, 6-9 June 20102010 / p. 52