机译:哥伦比亚的准军事暴力:多级负二项式分析
Univ Texas Dallas Publ Policy & Polit Econ Program Sch Econ Polit & Policy Sci Richardson TX 75083 USA;
Univ Texas Dallas Publ Policy & Polit Econ Program Sch Econ Polit & Policy Sci Richardson TX 75083 USA;
Univ Texas Dallas Publ Policy & Polit Econ Program Sch Econ Polit & Policy Sci Richardson TX 75083 USA;
Univ Texas Dallas Publ Policy & Polit Econ Program Sch Econ Polit & Policy Sci Richardson TX 75083 USA;
Univ Calif Santa Cruz Dept Comp Engn Jack Baskin Sch Engn Santa Cruz CA 95064 USA;