Contribution of Pollinator-Mediated Crops to Nutrients in the Human Food Supply Eilers, Elisabeth J. ; Kremen, Claire ; Smith Greenleaf, Sarah ; Garber, Andrea K. ; Klein, Alexandra-Maria Abstract Publication: PLoS ONE Pub Date: June 2011 DOI: 10.1371/journal.pone.0021363 Bibcode: 2011PLoSO...621363E