@article{palla2007quantifying, author = {Palla, Gergely and Barabási, Albert-lászló and Vicsek, Tamás and Hungary, Budapest}, interhash = {911359764769215213b2d31dc6394078}, intrahash = {9c5a50822cb5580b66a7371b833bb2fe}, pages = 2007, title = {Quantifying social group evolution}, url = {http://130.203.133.150/viewdoc/summary?doi=10.1.1.119.7541}, volume = 446, year = 2007 }