TY  - RPRT
TI  - Speciation along environmental gradients.
AU  - Michael Doebeli
AU  - Ulf Dieckmann
PY  - 2003
DO  - 10.1038/nature01274
UR  - https://pubmed.ncbi.nlm.nih.gov/12529641/
ID  - 12529641
ER  -