TY - GEN AU - MacDougal, Daniel Trembly, 1865-1958 AU - Working, Earl Booth, 1897- TI - The pneumatic system of plants, especially trees PY - 1933/// CY - Washington PB - The Carnegie Institution of Washington KW - FISIOLOGIA VEGETAL KW - TRASLOCACION KW - SAVIA KW - ARBOLES N1 - Bibliografía: p. 5-6 ER -