TY - BOOK AU - "Nan Cheng, Xuemin (Sherman) Shen" TI - Opportunistic Spectrum Utilization in Vehicular Communication Networks SN - 978-3-319-20445-1 PB - Springer KW - "Engineering; Communications Engineering, Networks; Computer Communication Networks" UR - http://link.springer.com/openurl?genre=book&isbn=978-3-319-20445-1 ER -