TY  - RPRT
TI  - Nectar, nodules and cheaters.
AU  - A A. Agrawal
PY  - 2001
DO  - 10.1016/s0169-5347(00)02092-9
UR  - https://pubmed.ncbi.nlm.nih.gov/11179571/
ID  - 11179571
ER  -