@TechReport{ivcon-tr,
  author = {Nalin Saigal and Jay Ligatti},
  title = {Defining and Visualizing Many-to-many Relationships between Concerns and Code},
  institution = {University of South Florida},
  year = {2008},
  number = {CSE-090608-SE},
  month = sep,
  url = {http://www.cse.usf.edu/~ligatti/papers/ivcon-tr.pdf}
}