LDR 00471nam a2200133zu 4500 008 090205n chi d 100 1 _aMa Kai 245 _aFactors Affecting Planned Prices and the Objective Basis of Two-Track Planned Prices _cMa Kai 504 _aübs. aus: Zhongguo Shehui Kexue, No.5, 1983 773 0 _tSocial Sciences in China _gVol. 5.2 (1984); p. 55-82" 946 _a 001 IFS32663 999 _c304285 _d304285 952 _70 _c1 _40 _00 _9168951 _yBOOK _10 _d2009-05-14 _aIFS