@book{25740,
	author = {Bohlmann, Ferdtnand},
	title = {Germacranolides and diterpenes from Viguiera species},
	url = {https://drive.google.com/file/d/1zrKoavCaszQ-fosbUvT_TCZQxATXt4w8/view?usp=drivesdk}
}