00446cam a22001451 4500 MeB 634 RON 1958 A040 Or. The physiology of forest trees; a symposium held at the Harvard Forest, April 1957, New York, Ronald Press Co. [1958] xvi, 678 p. illus., diagrs., tables. 24 cm. Trees Thimann, Kenneth Vivian, Harvard University. EK 12233 12233 0 0 0 634_000000000000000_RON_1958_A040_OR 0 61626 LBA LBA A040 2017-08-11 634 RON 1958 A040 Or. A09309 2017-08-11 2017-08-11 EK