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008 161123b xxu||||| |||| 00| 0 eng d
040 _cIITK
041 _aeng
082 _a510.8
_bUn38a
100 _aConnor, W.S.
245 1 _aFractional factorial experiment designs for factors at three levels
_cW. S. Connor and Marvin Zelen
260 _aWashington
_bNational Bureau of Standards
_c1959
300 _a37p
440 _aApplied mathematics series
440 _ano.54
650 _aFractional designs
700 _aZelen, Marvin
942 _cBK
999 _c454840
_d454840