@article{MET_1997__45_3_176734,
     author = {Rainer Schwabe and Weng Kee Wong},
     title = {A {Relationship} between {Efficiencies} of {Marginal} {Designs} and the {Product} {Design.}},
     journal = {Metrika},
     pages = {253--258},
     publisher = {mathdoc},
     volume = {45},
     number = {3},
     year = {1997},
     zbl = {0879.62064},
     url = {http://geodesic.mathdoc.fr/item/MET_1997__45_3_176734/}
}