@article {3063,
	title = {Ueber das Prothallium und die keimpflanze von Ophioglossum vulgatum L.},
	journal = {Bot. Zeitung},
	volume = {62},
	year = {1904},
	month = {1904///},
	pages = {227 - 248},
	author = {Bruchmann, H.}
}
