Johnson, Norman L.; Pomareda, Rolando Partial parallelisms with sharply two-transitive skew spreads. (English) Zbl 1093.51013 Ars Comb. 70, 275-287 (2004). Reviewer: Aleš Drápal (Praha) MSC: 51E23 51A40 PDFBibTeX XMLCite \textit{N. L. Johnson} and \textit{R. Pomareda}, Ars Comb. 70, 275--287 (2004; Zbl 1093.51013)
Johnson, N. L. Reguli in translation planes defined by flocks of hyperbolic quadrics. (English) Zbl 0739.51003 Ars Comb. 31, 205-210 (1991). Reviewer: G.L.Ebert (Newark/Delaware) MSC: 51A40 51E20 PDFBibTeX XMLCite \textit{N. L. Johnson}, Ars Comb. 31, 205--210 (1991; Zbl 0739.51003)
Gevaert, Hans; Johnson, N. L. On maximal partial spreads in \(\mathrm{PG}(3,q)\) of cardinalities \(q^2-q+1\), \(q^2-q+2\). (English) Zbl 0673.51009 Ars Comb. 26, 191-196 (1988). Reviewer: J. W. P. Hirschfeld (Falmer) MSC: 51E20 PDFBibTeX XMLCite \textit{H. Gevaert} and \textit{N. L. Johnson}, Ars Comb. 26, 191--196 (1988; Zbl 0673.51009)
Jha, Vikram; Johnson, Norman L. A note on rational covers of spreads. (English) Zbl 0633.51004 Ars Comb. 24, 175-177 (1987). Reviewer: J.Libicher MSC: 51A40 51E20 05B40 PDFBibTeX XMLCite \textit{V. Jha} and \textit{N. L. Johnson}, Ars Comb. 24, 175--177 (1987; Zbl 0633.51004)