00817nam a2200265   4500001001300000005001500013007000300028008004100031020003700072020003400109041001300143049001300156052001900169082001600188100001700204245006900221246002700290260004000317300002300357546002800380700002800408856008200436900002000518950001300538WMO20081146820081221142844ta080728s2006    us            000 p eng    a9780895818409(PBK. : ALK. PAPER)  a089581840X(pbk. : alk. paper)1 aenghkor0 lWM56212002a895.714bR111w01a895.7142211 aRa, Hee-duk.10aWhat is darkening /dby Ra Heeduk ;etranslated by Choi Jongyoll19a어두워진다는 것  aFremont, Calif. :bJain Pub,cc2006  aix, 73 p. ;c22 cm  aTranslated from Korean.1 a최종열0KAC201915619413Table of contents onlyuhttp://www.loc.gov/catdir/toc/ecip072/2006032149.html10aChoi Jong-yoll.1 aNo price