@book{22260,
	author = { Seward, A. C.},
	title = {Fossil plants: a text book for students of botany and geology; Vol.3 (Electronic Book)},
	publisher = {Cambridge University Press},
	year = {2011},
	address = {Cambridge},
	url = {https://doi.org/10.1017/CBO9780511710858}
}