@misc{indiciae409c99374a41, title = {Generalization versus specialization in plant pollination systems.}, author = {SD Johnson and KE Steiner}, year = {2000}, doi = {10.1016/s0169-5347(99)01811-x}, url = {https://pubmed.ncbi.nlm.nih.gov/10717682/}, note = {Source identifier: 10717682} }