@inproceedings{goodrich98abstracting, 
  author = { Michael T. Goodrich and Mark Handy and Beno\^{\i}t Hudson and 
        Roberto Tamassia },
  title = {Abstracting Positional Information in Data Structures: Locators
        and Positions in {JDSL}}
  booktitle = {OOPSLA},
  year = 1998
}