LDR 00679nam a2200205zu 4500 008 090205n chi d 100 1 _601 _aYi, Yong-t'ae 100 1 _601 _a이용태 245 _602 _aChigu ^nun tunggûlta _cYi, Yong-t'ae 245 _602 _a지구는 둥글다 _b _c이용태 260 _604 _aP'yôngyang _c1957 260 _604 _b교육도서출판사 _c1957 300 _a205 p. 504 _aNorth Korean orthography for the author is ??┐ù┼┬ 650 _aGeography -- General -- School Text book -- DRK 946 _a 947 _a34159 001 IFS59783 999 _c331397 _d331397 952 _z34159 _70 _c1 _40 _00 _616700004 _9196025 _yBOOK _10 _o1670/0004 _d2009-05-14 _aIFS