TY  - BOOK
AU  - Eckardt, F. E.
TI  - Functioning of terrestrial ecosystems at the primary production level; proceedings of the Copenhagen Symposium
T2  - Natural resources research
U1  - 581.5 
PY  - 1968///
CY  - (Paris)
PB  - UNESCO
KW  - Ecología vegetal
KW  - Ecosistema
ER  -