@misc{iiasa4010,
           title = {The Russian Forest Resource: Physical Accessibility by Economic Regions},
         address = {IIASA, Laxenburg, Austria},
       publisher = {XQ-94-822},
            year = {1994},
             url = {https://pure.iiasa.ac.at/id/eprint/4010/},
          author = {Backman, C. A.}
}