TY  - BOOK
AU  - Thimann,Kenneth Vivian
ED  - International symposium on Forest Tree Physiology 
TI  - The physiology of forest trees : : a symposium held at the Harvard Forest / 
U1  - 634.942 
PY  - 1958///
CY  - New York : 
PB  - Ronald Press Co. , 
KW  - Forests and forestry
KW  - Congresses
KW  - Trees
KW  - Plant physiology
N1  -  Includes bibliographical references
ER  -