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Suggestions on the Design of Information Boards for Field Activities : The Number of Observers per Group and the Size of Boards and Letters
Papers <10857>
Spacial Distribution and Morphological Features of Root Sprouts in Niseakasia (Robinia pseudo-acasia L.) Growing under a Coastal Black Pine Forest
Papers <10858>
Heartwood Properties of Sugi (Cryptomerai japonica) : Moisture Content of Green Wood, Hot Water Extravtives and Lightness
Papers <10859>