Backer, Cornelis Andries, 1874-1963. The problem of Krakatao as seen by a botanist, by C. A. Backer. Published by the author. - [Sourabaya (Java) Printed by H. Van Ingen, 1929] - 3 p. l., 299 p. 2 maps on 1 l. 28 cm. "Further publications on the revegation of Krakatao": p. [273]-286. LCCN: agr30000448 Subjects--Topical Terms: Botany--Indonesia--Krakatoa. LC Class. No.: QK962.D8 / B3