@inbook{Kahl_GH_15,
    author           = {Kahl, Wolfram and Griffin, Timothy G. and H\"ofner, Peter},
    booktitle        = {Journal of Logical and Algebraic Methods in Programming},
    month            = may,
    number           = {3},
    pages            = {283--284},
    paperurl         = {https://trustworthy.systems/publications/nicta_full_text/8833.pdf},
    title            = {Preface: Special Issue on Relational and Algebraic Methods in Computer Science},
    volume           = {84},
    year             = {2015}
  }