@inproceedings(2003-a-memoization-technique-for-functional-logic-programs,
  author = {Salvador España Boquera and V. Estruch},
  title = {A memoization technique for Functional Logic Programs},
  year = {2003},
  booktitle = {International Workshop on Functional and (Constraint) Logic Programming (WFLP) (formerly: International Workshop on Functional and Logic Programming (WFLP); formerly: International Workshop on Curry and Functional and Logic Programming (WFLP)},
  address = {Valencia, España},
  pages = {144-157}
)