@techreport{iiasa4471,
           month = {December},
            type = {IIASA Working Paper},
           title = {Global Energy Perspectives to 2050 and Beyond},
         address = {IIASA, Laxenburg, Austria},
       publisher = {WP-95-127},
            year = {1995},
             url = {https://pure.iiasa.ac.at/id/eprint/4471/},
          author = {Nakicenovic, N. and Jefferson, M.}
}