@article {4407,
	title = {Dryopteridaceae},
	journal = {Bulletin de l{\textquoteright}Herbier Boissier},
	volume = {6},
	year = {1898},
	author = {H.Christ}
}
@article {4405,
	title = {Les collections de Fougeres de la Chine au Museum},
	journal = {Bulletin de l{\textquoteright}Acad{\'e}mie Internationale de G{\'e}ographie Botanique},
	volume = {52},
	year = {1905},
	author = {H.Christ}
}
@article {4398,
	title = {Filices Chinenses},
	journal = {Bulletin de l{\textquoteright}Acad{\'e}mie Internationale de G{\'e}ographie Botanique},
	volume = {16},
	year = {1907},
	author = {H.Christ}
}
@article {4397,
	title = {Filices Yunnanenses},
	journal = {Bulletin de l{\textquoteright}Acad{\'e}mie Internationale de G{\'e}ographie Botanique},
	volume = {16},
	year = {1907},
	author = {H.Christ}
}
@article {4393,
	title = {Dryopteridaceae},
	journal = {Bulletin de l{\textquoteright}Acad{\'e}mie Internationale de G{\'e}ographie Botanique},
	volume = {11},
	year = {1902},
	author = {H.Christ}
}
@article {2173,
	title = {Filices Novae Cavalerianae IV},
	journal = {Bulletin de L Academie Internationale de Geographi},
	volume = {19-20},
	year = {1910},
	author = {H.Christ}
}
