000 00284nam a2200133Ia 4500
008 241129s9999 xx 000 0 und d
100 _aRao,Palle Krishnna
245 0 _aWTO text and cases
250 _a-
260 _bExcel book
260 _c2010
300 _a512
942 _cBK
999 _c21867
_d21867