Proceedings of the Third International Circumpolar Arctic Vegetation Mapping Workshop [microform] : a compilation of abstracts and short papers presented at the U.S. Geological Survey, EROS Alaska Field Office, Anchorage, Alaska, U.S.A., June 3-7, 1998 / edited by C.J. Markon and D.A. Walker (Open-file report ; 99-551)
Proceedings of the Third International Circumpolar Arctic Vegetation Mapping Workshop [microform] : a compilation of abstracts and short papers presented at the U.S. Geological Survey, EROS Alaska Field Office, Anchorage, Alaska, U.S.A., June 3-7, 1998 / edited by C.J. Markon and D.A. Walker