@article{PhysRevE.90.032804, author = {Ke, Qing and Ahn, Yong-Yeol}, doi = {10.1103/PhysRevE.90.032804}, interhash = {b6567439f34586ac3aec90b5065db043}, intrahash = {2a8d6bfbb99517ce9dbcf120d4e2135e}, journal = {Phys. Rev. E}, month = sep, number = 3, numpages = {7}, pages = 032804, publisher = {American Physical Society}, title = {Tie strength distribution in scientific collaboration networks}, url = {http://link.aps.org/doi/10.1103/PhysRevE.90.032804}, volume = 90, year = 2014 }