@techreport{ChYi2002,
   author = {Woongsik Choi and Kwangkeun Yi},
   title = {Bi-directional Demand-Driven Set-Based Analysis},
   type = {Technical Memorandum},
   number = {ROPAS-2002-18},
   category = {tech-memo},
   institution = {Research On Program Analysis System, Korea Advanced Institute of Science and Technology},
   month = {October},
   year = {2002},
   format = {pdf},
}