@book {613,
	title = {Die Floren des Erdaltertums},
	year = {1977},
	pages = {468},
	publisher = {Verlag Gluckauf GMBH},
	organization = {Verlag Gluckauf GMBH},
	address = {Essen},
	author = {R{\'e}my, W. and R{\'e}my, R.}
}
