@article {34420,
	title = {Variation and heritability of wood density and fibre length of trembling aspen in Alberta, Canada},
	volume = {33},
	year = {1984},
	pages = {11-16},
	publisher = {Silvae Genetica},
	url = {http://www.bfafh.de/inst2/sg-pdf/33_1_11.pdf},
	author = {Yanchuk, A. D. and Dancik, B. P. and Micko, M. M.}
}
