@article{Wolf2002,
author = {Wolf, D.A. and Laditka, S.B. and Laditka, J.N.},
title= {Patterns of active life among older women: Differences within and between groups},
year = {2002},
doi = {10.1300/J074v14n01_02},
journal = {Journal of Women and Aging},
volume = {14},
number = {1-2},
pages = {9--26},
}