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>, Sanderson, W.C. <https://pure.iiasa.ac.at/view/iiasa/265.html>, & Scherbov, S. <https://pure.iiasa.ac.at/view/iiasa/270.html> ORCID: https://orcid.org/0000-0002-0881-1073 <https://orcid.org/0000-0002-0881-1073>  (1996).  Probabilistic population projections based on expert opinion.    In:  The Future Population of the World: What Can We Assume Today? Eds. 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>,  London: Earthscan.  ISBN 1853833495