A New Family of Extended Generalized Quadrangles of Order (::::q:::: + 1, ::::q:::: - 1)

Siaw-Lynn Ng, Peter R. Wild. A New Family of Extended Generalized Quadrangles of Order (::::q:::: + 1, ::::q:::: - 1). Eur. J. Comb., 21(3):395-406, 2000. [doi]