Northern Vietnam 1993-2006
Subtitle: Belgian-Vietnamese speleological projects in the provinces of Bac Kan, Ha Giang, Hoa Binh, Lai Chau and Son La
By: Jan Masschelein ... [et al.].
Series: Berliner höhlenkundliche Berichte -- Bd. 22; Berliner höhlenkundliche Berichte -- Bd. 22.
Publisher: Speläoclub
Published: 2007
Place of publication: Berlin
Language: vie
Number of pages: 212
Subjects: Caves; Speleology
Notes: Includes bibliographical references (p. 202-206).

Abstract also in Dutch, French, German, and Vietnamese.