http://dx.doi.org/10.1371/journal.pone.0021363 (Publisher version)
EXT332.pdf (Publisher version), 236KB
EXT332s1.doc (Supplementary material), 2MB
Eilers, E. J., Kremen, C., Greenleaf, S. S., Garber, A. K., & Klein, A.-M. (2011). Contribution of pollinator-mediated crops to nutrients in the human food supply. PLoS One, 6(6): e21363. doi:10.1371/journal.pone.0021363.