Proceedings of the IAH 21st Congress: Karst Hydrogeology and Karst Environment Protection (2 Volumes)

International Association of Hydrogeologists

Beijing

:

Geological Publishing House

,

1988

.
First Edition.

22cm x 15cm. 2 volumes. Illustrated wrappers.

Volume XXI.

Creasing to spine of part 2. Moderate wear to spine head and tail. Tanning to wrappers. Good Condition.