@article{Centola2007,
author = {Centola, D. and Gonzalez-Avella, J. C. and Eguiluz, V.M. and San Miguel, M.},
title= {Homophily, cultural drift, and the co-evolution of cultural groups},
year = {2007},
doi = {10.1177/0022002707307632},
volume = {51},
number = {6},
pages = {905--929},
}