@book{21928,
	author = {Hoopen, F.},
	title = {Competition between uptake of ammonium and potassium in barley and Arabidopsis roots: molecular mechanisms and physiological consequences},
	url = {https://drive.google.com/file/d/1Bh_km_u_Dx4UwvO3Xho7SH4kV6uniyxq/view?usp=drivesdk}
}