Ausubel, J.H. & Grubler, A. ORCID: https://orcid.org/0000-0002-7814-4990 (1995). Working Less and Living Longer: Long-term Trends in Working Time and Time Budgets. IIASA Research Report (Reprint). IIASA, Laxenburg, Austria: RR-96-004. Reprinted from Technological Forecasting and Social Change, 50(3):195-213