@article{barabasi2002evolution, title={Evolution of the social network of scientific collaborations}, author={Barab{\^a}si, Albert-Laszlo and Jeong, Hawoong and N{\'e}da, Zoltan and Ravasz, Erzsebet and Schubert, Andras and Vicsek, Tamas}, journal={Physica A: Statistical Mechanics and its Applications}, volume={311}, number={3}, pages={590--614}, year={2002}, publisher={North-Holland} }