By Warner William S.   in Journal of Forestry

ISSN:0022-1201|86|12|36-39

Society of American Foresters‎(1988)‎

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By Warner William S.   Andersen Sjur   Saeland Steiner   in Cartography and Geographic Information Science

ISSN:1545-0465|20|4|237-243

Cartography and Geographic Information Society‎(1993)‎

Access to resources Favorite 9.810882