@techreport{iiasa4126,
           month = {September},
            type = {IIASA Working Paper},
           title = {An Agenda for Formal Growth Theory},
         address = {IIASA, Laxenburg, Austria},
       publisher = {WP-94-085},
            year = {1994},
             url = {https://pure.iiasa.ac.at/id/eprint/4126/},
          author = {Nelson, R. R.}
}