RISC RISC Research Institute for Symbolic Computation  
  • @techreport{RISC1967,
    author = {M. Cunningham and J. D. Gabbay and A. Jones and Letz Norrum and H.j. Ohlbach and FARINAS DEL L. Cerro and Demolombe Caferra and B. Kutzler},
    title = {{Mechanizing Deduction in the Logics of Practical Reasoning}},
    number = {89-49},
    year = {1989},
    type = {RISC Report Series},
    institution = {Research Institute for Symbolic Computation (RISC), Johannes Kepler University Linz},
    address = {Schloss Hagenberg, 4232 Hagenberg, Austria}
    }