@article{557f8c3c6a534afd8f6c70817d9082e1,
title = "Structure and tie strengths in mobile communication networks",
keywords = "complex network, mobile communication, social network, weighted network, complex network, mobile communication, social network, weighted network, complex network, mobile communication, social network, weighted network",
author = "J-P. Onnela and J. Saram{\"a}ki and J. Hyv{\"o}nen and G. Szab{\'o} and D. Lazer and K. Kaski and J. Kert{\'e}sz and A-L. Barab{\'a}si",
year = "2007",
language = "English",
volume = "104",
journal = "Proceedings of the National Academy of Sciences of the United States of America",
issn = "0027-8424",
publisher = "National Academy of Sciences",
number = "7332",
}