Eich, M. Margaret; Payne, Stanley E. Nonisomorphic symmetric block designs derived from generalized quadrangles. (English) Zbl 0267.05010 Atti Accad. Naz. Lincei, VIII. Ser., Rend., Cl. Sci. Fis. Mat. Nat. 52(1972), 893-902 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 Documents MSC: 05B05 Combinatorial aspects of block designs 05B20 Combinatorial aspects of matrices (incidence, Hadamard, etc.) 51E15 Finite affine and projective planes (geometric aspects) 62K10 Statistical block designs PDFBibTeX XMLCite \textit{M. M. Eich} and \textit{S. E. Payne}, Atti Accad. Naz. Lincei, VIII. Ser., Rend., Cl. Sci. Fis. Mat. Nat. 52, 893--902 (1973; Zbl 0267.05010)