@article{Boerner2007,
author = {Boerner, K. and Jopp, D.},
title= {Improvement/maintenance and reorientation as central features of coping with major life change and loss: Contributions of three life-span theories},
year = {2007},
doi = {10.1159/000103358},
volume = {50},
number = {4},
pages = {171--195},
}