@article {ARC22834,
	title = {Optical instruments for measuring leaf area index In low vegetation: application in Arctic ecosystems},
	journal = {Ecological Applications},
	volume = {15},
	year = {2005},
	pages = {1462-1470},
	doi = {10.1890/03-5354},
	author = {M. T. van Wijk and Mathew W. Williams}
}
