@book {622,
	title = {The Diatoms},
	year = {1990},
	pages = {747pp.},
	publisher = {Cambridge University Press},
	organization = {Cambridge University Press},
	address = {Cambridge},
	isbn = {978-0-521-36318-1, 978-0-521-71469-3},
	author = {Round, FE and Crawford, RM and Mann, D. G.}
}
