@book{20444,
	author = {Scherer, H.W.},
	title = {Potassium-Ammonium Uptake Interactions in Tobacco Seedlings1},
	url = {https://drive.google.com/file/d/1FcqMSyUjzNfNvXngdK2uZSULKwSSL2sa/view?usp=drivesdk}
}