@article {frohlich_appearance_1976,
	title = {Appearance of vegetation in ultraviolet light: Absorbing flowers, reflecting backgrounds},
	journal = {Science},
	volume = {194},
	number = {4267},
	year = {1976},
	pages = {839{\textendash}841},
	doi = {10.1126/science.194.4267.839},
	url = {http://www.sciencemag.org/content/194/4267/839},
	author = {Frohlich, Michael W.}
}
