# $D$-optimality in $3^k$-designs for $N\equiv1$ mod 9 observations

## Bibtex

@article{CIS-88342,
Author = {Kolyva-Machera, F.},
Title = {$D$-optimality in $3^k$-designs for $N\equiv1$ mod 9 observations},
Journal = {Journal of Statistical Planning and Inference},
Volume = {22},
Year = {1989},
Pages = {95--103},
Keywords = {Factorial design, Fractional factorial design}
}