@article{Lambiotte2006b, title = {Endo- vs. exogenous shocks and relaxation rates in book and music "sales"}, author = {R. Lambiotte and M. Ausloos}, day = {01}, journal = {Physica A: Statistical Mechanics and its Applications}, month = {Apr}, number = {2}, pages = {485--494}, url = {http://www.sciencedirect.com/science/article/B6TVG-4H3YFJV-5/1/bf4618d5929d6746e86bf137261ac495}, volume = {362}, year = {2006}, biburl = {http://www.bibsonomy.org/bibtex/2d1be50d8f33a50a9e8533dbe1a110974/smicha}, description = {Physica A}, keywords = {Granular complex models of systems } }