@book{ BA32543462,
author = "Winklevoss, Howard E. and Powell, Alwyn W. and Wharton School. Pension Research Council",
title = "Continuing care retirement communities : an empirical, financial, and legal analysis",
publisher = "Published for the Pension Research Council, Wharton School, University of Pennsylvania by R.D. Irwin",
year = "1984",
URL = "https://ci.nii.ac.jp/ncid/BA32543462"
}