@article{Earl2004,
author = {Earl, J. and Martin, A. and McCarthy, J.D. and Soule, S.A.},
title= {The use of newspaper data in the study of collective action},
year = {2004},
doi = {10.1146/annurev.soc.30.012703.110603},
URL = {https://doi.org/10.1146/annurev.soc.30.012703.110603},
volume = {30},
pages = {65--80},
}