@article{MET_1990__37_3-4_176291,
     author = {M. Jacroux and R. SahaRay},
     title = {On the {Construction} of {Trend} {Free} {Row-Column} {2-Level} {Factorial} {Experiments.}},
     journal = {Metrika},
     pages = {163--180},
     publisher = {mathdoc},
     volume = {37},
     number = {3-4},
     year = {1990},
     zbl = {0695.62199},
     url = {http://geodesic.mathdoc.fr/item/MET_1990__37_3-4_176291/}
}