000			003230000a22001330004500
008			140223b1977 xxu||||| |||| 00| 0 eng d
041			_aENG
080			_aB28 L7
082			_aB28 L7
100			_aCHRISTENSEN (Howard B.)
245			_aStatistics step by step
260			_aBoston _bMifflin _c1977
650			_aSTATISTICS
999			_c249889 _d249889