Reversible variations in volume, pressure, and movements of sap in t rees /
MacDougal, Daniel Trembly, 1865-1958.
Reversible variations in volume, pressure, and movements of sap in t rees / by D. T. MacDougal. - Washington : Carnegie Institution of Washington, 1925. - iii, 90 p. : ill., 5 pl. on 3 l., diagrs. ; 26 cm. - Carnegie Institution of Washington publication ; no. 365 .
Sap.
Trees.
581.11 MACD
Reversible variations in volume, pressure, and movements of sap in t rees / by D. T. MacDougal. - Washington : Carnegie Institution of Washington, 1925. - iii, 90 p. : ill., 5 pl. on 3 l., diagrs. ; 26 cm. - Carnegie Institution of Washington publication ; no. 365 .
Sap.
Trees.
581.11 MACD