@article {ccanakouglu2007analysis, title = {Analysis of a two-stage telecommunication supply chain with technology dependent demand}, journal = {European Journal of Operational Research}, volume = {177}, number = {2}, year = {2007}, pages = {995{\textendash}1012}, publisher = {North-Holland}, author = {Canako{\u g}lu, Ethem and Taner Bilgi{\c c}} }