00563nam a2200181 a 4500001001300000005001500013008004100028020002500069049002600094052001900120056001400139082001600153245008000169260003800249300003000287700005300317950001100370KMO20072844320070711152842070619s2007    ulka          000   eng    a9788978891509g034500 lWM506798lWM506799c202a551.447bW873c  a452.43240 a551.44722100aCaves:bmysterious underground world through water and time/dKyung Sik Woo  aSeoul:bJisungsa Publisher,c2007  a63 p.:bcol. ill.;c30 cm1 a우경식,g禹卿植,d1956-0KAC2014047254aut0 b\15000