Sunnee Billingsley and Luule Sakkeus and Allan Puur. Jobs, Careers, and Becoming a Parent under State Socialist and Free Market Conditions. Stockholm University Linnaeus Center on Social Policy and Family Dynamics in Europe, SPaDE, Working Paper, Stockholm University Linnaeus Center on Social Policy and Family Dynamics in Europe, SPaDE, volume 6, issue 6, pages 30, 2012.