Pham, Tung-Dinh; Nguyen, Nam-Ky - In: Statistics & Probability Letters 85 (2014) C, pp. 84-90
A new method of constructing 3-level second-order designs using incomplete block designs with unequal block sizes is suggested to any number of factors. The method gives orthogonally blocked designs with small run sizes, high D-efficiencies and rotatability measures.