@book{18678,
	author = {Haggman, H. M.},
	title = {Early.flowering Scots pines through tissue culture for accelerating tree breeding},
	url = {https://drive.google.com/file/d/1FBShW8tr00a2Q-ODH7uv2jOou-qsniVQ/view?usp=drivesdk}
}