LDR 00660nam a2200205zu 4500 008 090205n chi d 100 1 _601 _aChôn, Sang-un 100 1 _601 _a全 相運 245 _602 _aHan'guk kwahak kisul sa _cChôn, Sang-un 245 _602 _a韓國 科學 技術 史 _b _c全 相運 250 _a1st ed. 1975 260 _604 _aSôul _c1983 260 _604 _b正音社 _c1983 300 _a392 p. 650 _aScience -- General -- History Of Korean Science -- In Korean History In General 946 _a 947 _a34430 001 IFS60054 999 _c331668 _d331668 952 _z34430 _70 _c1 _40 _00 _616860003 _9196296 _yBOOK _10 _o1686/0003 _d2009-05-14 _aIFS