@book{14500, author = {Cooper, Russel. and Madden, Gary. and SpringerLink (Online service)}, title = {The Economics of Online Markets and ICT Networks}, publisher = {Physica-Verlag Heidelberg,}, year = {2006.}, address = {Heidelberg :}, url = {http://dx.doi.org/10.1007/3-7908-1707-4 } }