TY - BOOK DA - 1986 LA - eng PY - 1986 TI - A biographic theory of aging and fertility: paper prepared for presentation at the International Conference on "Aging and the Family" of the International Institute for Applied Systems Analysis (IIASA) UR - https://nbn-resolving.org/urn:nbn:de:0070-bipr-34548 Y2 - 2025-04-05T00:09:09 ER -