TY  - RPRT
TI  - A National Ecological Observatory Network.
AU  - James A Teeri
AU  - Peter H Raven
PY  - 2002
DO  - 10.1126/science.298.5600.1893
UR  - https://pubmed.ncbi.nlm.nih.gov/12474846/
ID  - 12474846
ER  -