@article{Stegmueller2013,
author = {Stegmueller, D. },
title= {How many countries do you need for multilevel modeling? A comparison of frequentist and Bayesian approaches},
year = {2013},
doi = {10.1111/ajps.12001},
journal = {American Journal of Political Science},
volume = {57},
number = {3},
pages = {748--761},
}