@book{9335,
	author = {Backer, Cornelis Andries,},
	title = {The problem of Krakatao as seen by a botanist,},
	publisher = {Printed by H. Van Ingen,},
	year = {1929]},
	address = {[Sourabaya (Java)},
	note = {"Further publications on the revegation of Krakatao": p. [273]-286.}
}