Lutz, W. <https://pure.iiasa.ac.at/view/iiasa/190.html> ORCID: https://orcid.org/0000-0001-7975-8145 <https://orcid.org/0000-0001-7975-8145>  (1995).  Scenario Analysis in Population Projection.   IIASA Working Paper. IIASA, Laxenburg, Austria: WP-95-057