@article {1742,
	title = {Insect pollinated crops, insect pollinators and US agriculture: trend analysis of aggregate data for the period 1992-2009},
	year = {2012},
	url = {https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0037235},
	author = {NW Calderone}
}
