@article{Warr2004,
author = {Warr, P. and Butcher, V. and Robertson, I. and Callinan, M.},
title= {Older people's well-being as a function of employment, retirement, environmental characteristics and role preference},
year = {2004},
doi = {10.1348/0007126041528095},
journal = {British Journal of Psychology},
volume = {95},
number = {3},
pages = {297--324},
}