@article{Schindler2006,
author = {Schindler, I. and Staudinger, U.M. and Nesselroade, J.R. },
title= {Development and structural dynamics of personal life investment in old age},
year = {2006},
doi = {10.1037/0882-7974.21.4.737},
journal = {Psychol Aging },
volume = {21},
number = {4},
pages = {737−753},
}