TY  - RPRT
TI  - Gradient analysis of vegetation.
AU  - R H Whittaker
PY  - 1967
DO  - 10.1111/j.1469-185x.1967.tb01419.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4859903/
ID  - 4859903
ER  -