@article{Walker1984,
author = {Walker, I.  and Pettigrew, T.F. },
title= {Relative deprivation theory: An overview and conceptual critique},
year = {1984},
doi = {10.1111/j.2044-8309.1984.tb00645.x},
journal = {British Journal of Social Psychology },
volume = {23},
number = {4},
pages = {301--310},
}