00383nam a2200145Ia 4500008004100000020001500041082001600056100001500072245004400087260004000131300000800171650001600179650001800195653002400213170901s1985    xx            000 0 und d  a0852261659  a519.5bD38O  aDey, Aloke 0aOrthogonal Fractional Factorial Designs  aNew DelhibWiley Eastern Ltd.c1985  a133  aMathematics  aPure Sciences  aExperimental design