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a k hellum
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A Painter's Year in the Forests of Bhutan
A. K. Hellum · University of Alberta Press
120 sayfa · 2001
Botany, asia / Botany, pictorial works / Bhutan, description and travel / Botanical illustration
A case against cold stratification of white spruce seed prior to nursery seeding
A. K. Hellum · Dept. of Forestry and Rural Development
12 sayfa · 1968
Effect of temperature on / Seeds / Stratification / White spruce
A Painter's Year in the Forests of Bhutan
A. K. Hellum · University of Hawaii Press
120 sayfa · 2001
Botanical illustration / Travel / Description and travel / Voyages / Botanique
Listening to trees
A. K. Hellum · NeWest Press
119 sayfa · 2008
Deforestation / Foresters / Environmentalists / Forest protection / Biography
A Field Guide to Some Tree Seedlings in Thailand
A. K. Hellum, Thailand. Krom Pāmai · Techpress Books
144 sayfa · 2000
Trees / Seedlings / Identification / Pictorial works