TY - BOOK AU - Bergeman Cindy S. Ed. AU - Steven M. Boker Ed. TI - Methodological issues in aging research T2 - Notre dame series on quantitative methods SN - 0805843795 (pbk) U1 - Y13:f, P6 PY - 2006/// CY - New Jersey PB - Lawrence Erlbaum U.S.A KW - SOCIOLOGY ER -