By Bjelkhagen H. I.   Crosby P. G.   in Archiving Conference

ISSN:2161-8798|2008|1|239-245

Society for Imaging Science and Technology‎(2008)‎

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By Crosby P.   Barrett J. P.   Bocko R.   in Journal of Forestry

ISSN:0022-1201|81|12|795-797

Society of American Foresters‎(1983)‎

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