Discrete MathematicsVolumes 106–107, 1 September 1992, Pages 83-92Some 2-ranksAuthor links open overlay panelA.E. Brouwer, H.A. Wilbrink, W.H. HaemersShow moreShareCitehttps://doi.org/10.1016/0012-365X(92)90533-LGet rights and contentUnder an Elsevier user licenseopen archiveAbstractWe compute the dimension of some of the binary codes associated with the unitial U(3,q), the generalized quadrangle U(4,q) and its dual O6−(q) for odd q.Previous article in issueNext article in issueRecommended articlesCited by (0)Copyright © 1992 Published by Elsevier B.V.