@book{27650,
	author = {Chen, P.},
	title = {Ultrastructural Differences in Leaf Cells of Some Solanum Species in Relation to their Frost Resistance},
	url = {https://drive.google.com/file/d/1MttNwt4sNoVVnGeTKu20MdJYs4qUXz3N/view?usp=drivesdk}
}