@techreport{iiasa4932,
           month = {August},
            type = {IIASA Working Paper},
           title = {Sustainable Biosphere (Critical Overview of the Basic Concepts of Sustainability)},
         address = {IIASA, Laxenburg, Austria},
       publisher = {WP-96-095},
            year = {1996},
             url = {https://pure.iiasa.ac.at/id/eprint/4932/},
          author = {Svirezhev, Y. M. and Svirejeva-Hopkins, A.}
}