The rhythm of trees : water storage dynamics in subalpine Norway Spruce [microform] /
Zweifel, Roman.
Eidgenössische Technische Hochschule Zürich.
[Zürich] : Swiss Federal Institute of Technology Zürich,
1999.
"ETH-DISS 13391"--Microfiche header.
Thesis (doctoral)--Swiss Federal Institute of Technology Zürich, 1999.
Includes bibliography.