@article{Lyubomirsky2001,
author = {Lyubomirsky, S.},
title= {Why are some people happier than others? The role of cognitive and motivational processes in well-being},
year = {2001},
doi = {10.1037//0003-066X.56.3.239},
URL = {https://doi.org/10.1037//0003-066X.56.3.239},
volume = {56},
number = {3},
pages = {239},
}