@article{Denton2009,
author = {Denton, F.T. and Spencer, B.G.},
title= {What is retirement? A review and assessment of alternative concepts and measures},
year = {2009},
journal = {Canadian Journal on Aging / La Revue Canadienne Du Vieillissement },
volume = {28},
number = {1},
pages = {63‒76},
}