@article {1117,
	title = {Diet choice by grass-feeding grasshopper based on the need for a limiting nutrient},
	journal = {Functional Ecology},
	volume = {7},
	year = {1993},
	month = {1993///},
	pages = {522 - 527},
	author = {Behmer,S.T. and Joern,A.}
}
