TY  - GEN
AU  - Tamm, Carl Olof
TI  - Nitrogen in terrestrial ecosystems: questions of productivity, vegetational changes, and ecosystem stability
SN  - 3-540-51807-X
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
KW  - Nitrogen cycles
KW  - Biotic communities
KW  - Plants
KW  - Effect of nitrogen on
KW  - Ecology
KW  - Forest ecology
N1  - Includes bibliographical references (p. 100-110) and index
ER  -