Das, Ashish; Dey, Aloke Optimal main effect plans with non-orthogonal blocks. (English) Zbl 1193.62129 Sankhyā 66, No. 2, 378-384 (2004). MSC: 62K05 62K10 62K15 PDFBibTeX XMLCite \textit{A. Das} and \textit{A. Dey}, Sankhyā 66, No. 2, 378--384 (2004; Zbl 1193.62129)
Chai, Feng-Shun; Das, Ashish; Dey, Aloke Block designs for symmetric parallel line assays with block size odd. (English) Zbl 1193.62140 Sankhyā 65, No. 3, 689-703 (2003). MSC: 62K10 PDFBibTeX XMLCite \textit{F.-S. Chai} et al., Sankhyā 65, No. 3, 689--703 (2003; Zbl 1193.62140)