@misc{9811,
  author = {Lang Xie and Jie Xiang and Yan Zhang},
  title = {Revenue-Based Admission Control for Cognitive Radio Cellular Systems},
  year = {2008},
  journal = {2008 International Workshop on Cognitive Networks and Communications (COGCOM 2008), in conjunction with CHINACOM 2008},
  publisher = {IEEE VTS},
  isbn = {978-1-4244-2373-6},
  editor = {IEEE},
}