1. Caves : a wonderful underground
Author: / Kyung Sik Woo
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject:
2. Caves : mysterious underground world through water and time
Author: /Kyung Sik Woo
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject:
3. Jeju Island Geopark-- a volcanic wonder of Korea
Author: Kyung Sik Woo ... ]et. al.[
Library: Central Library and Documentation Center (Golestan)
Subject: ، Korea )South( -- Cheju Island,، Geoparks -- Korea )South( -- Cheju Island,، Geoparks,، Halla Mountain )Korea(,، Geoparks -- Korea )South(,، Cheju Island )Korea(
Classification :
SB
485
.
C44
J45
