@phdthesis{Saraiva99
          , author = {Jo{\~a}o Saraiva}
          , title = {Purely Functional Implementation of Attribute Grammars}
          , school = {Department of Computer Science, Utrecht University}
          , address = {The Netherlands}
          , year = {1999}
          , month = {December}
          , note = {{\tt ftp://ftp.cs.uu.nl/pub/RUU/CS/phdtheses/Saraiva/}}
          }