000			004150000a22001690004500
008			151207t1980 xxu||||| |||| 00| 0 eng d
020			_a0813815606
041			_aeng
080			_a311 _bS6
942			_cBK
100			_aSnedecor, George W.
100			_aCochran, William G.
245			_aStatistical methods
250			_a7th ed.
260			_aIowa _bIwoa State University Press _c1980
300			_axvi, 507p.
999			_c139093 _d139093