id	keyword
brj-24516	et al
brj-24516	wood
brj-24516	vititnev et
brj-24516	fiber
brj-24516	death
brj-24516	fig
brj-24516	years
brj-24516	refining
brj-24516	fir
brj-24516	fiberboard
brj-24516	period
brj-24516	siberian
brj-24516	doi
brj-24516	properties
brj-24516	production
brj-24516	wood fiber