@book {4541,
	title = {Report of the First Scientific Expedition to Manch},
	volume = {4},
	year = {1935},
	author = {H.Christ}
}
@book {4524,
	title = {Notulae Systematicae. Herbier du Museum de Paris },
	volume = {1},
	year = {1909},
	author = {H.Christ}
}
@book {4392,
	title = {Bulletin de la Soci{\'e}t{\'e} Botanique de France},
	volume = {52},
	year = {1905},
	author = {H.Christ}
}
@book {2303,
	title = {Notulae Systematicae. Herbier du Museum de Paris},
	volume = {1},
	number = {2},
	year = {1909},
	author = {H.Christ}
}
