00632nam a2200205 c 4500001001300000005001500013007000300028008004100031020003000072049002800102052001700130056001400147082001600161245009200177260003100269300005500300650004700355700001400402950001000416KMO20082767220080708155621ta080703s2008    kjkad         000   kor    a8988976266g03473:c\85000 lEM4227381lEM4227382c201a539.93b8-12  a539.932401a628.16822120a(河川水 汚染防止를 위한) 河川水邊 自然生態復原 /d著者: 李在信  a광주 :b한출판,c2008  a222 p. :b삽화(일부천연색), 도표 ;c22 cm 8a하천 수질[河川水質]0KSH20020302161 a이재신0 b\8500