000 00320nam a2200133Ia 4500
020 _a9787560065014
040 _cCUS
082 _a495.1
_bZHA/R
100 _aZhang, BoQing
_915199
245 0 _aRu Can Guo/
_cBoQing Zhang
260 _aBeijing:
_bForeign Teaching & Research,
_c2007.
300 _a29 p.
942 _cWB16
999 _c154395
_d154395