LDR 00339nam a2200121zu 4500 008 090205n chi d 245 _aChinese Journal of Physics 866 0 _aVol.7:6 (1950) 946 _a 947 _a+++ 001 IFS36005 999 _c307627 _d307627 952 _z+++ _x2/ZS/??? _70 _c1 _40 _00 _620004002 _9172289 _yBOOK _10 _o2000/4002 _d2009-05-14 _aIFS