@article {41297,
	title = {A new forest floor corer for rapid sampling, minimal disturbance and adequate precision},
	volume = {32},
	year = {1998},
	pages = {373-382},
	publisher = {Silva Fennica },
	url = {http://www.metla.fi/silvafennica/full/sf32/sf324373.pdf},
	author = {Nalder, I. A. and Wein,  Ross W.}
}
