TY - BOOK ID - 127928341 TI - Population Aging in the United States AU - Serow, William John AU - Sly, David F. AU - Wrigley, J. Michael PY - 1990 SN - 0313273111 PB - New York (N.Y.) : Greenwood press, DB - UniCat KW - Age distribution (Demography) KW - Older people UR - https://www.unicat.be/uniCat?func=search&query=sysid:127928341 AB - ER -