@article {11,
	title = {A new species of Cecropia (Moraceae)},
	journal = {Acta Botanica Neerlandica},
	volume = {21},
	year = {1972},
	chapter = {655},
	author = {Berg, Cornelis Christiaan}
}
@article {13,
	title = {Contribucion Al Conocimiento De Las Especies Del Genero Cecropia L. (moraceae) - "Yagrumos" - De Venezuela},
	journal = {Acta Botanica Venezuela},
	volume = {6},
	year = {1972},
	chapter = {25},
	author = {Vel{\'a}squez, Justiniano}
}
