Climatic cycles and trees-growth : a study of annual rings of trees in relation to climate and solar activity
DOUGLAS, A.E
Climatic cycles and trees-growth : a study of annual rings of trees in relation to climate and solar activity - Washington 1919 - 171p - Historic , Naturalic, Classic, v.90 .
SILVICULTURE
SILVICULTURE TREES -- PHYSIOLOGY
636.95 D66C
Climatic cycles and trees-growth : a study of annual rings of trees in relation to climate and solar activity - Washington 1919 - 171p - Historic , Naturalic, Classic, v.90 .
SILVICULTURE
SILVICULTURE TREES -- PHYSIOLOGY
636.95 D66C