TY  - RPRT
TI  - Niche overlap as a function of environmental variability.
AU  - R M May
AU  - R H MacArthur
PY  - 1972
DO  - 10.1073/pnas.69.5.1109
UR  - https://pubmed.ncbi.nlm.nih.gov/4504323/
ID  - 4504323
ER  -