Characterizations of Buekenhout-Metz unitals L. R. A. CasseChristine M. O'KeefeTim Penttila OriginalPaper Pages: 29 - 42
Spaces of geodesics: products, coverings, connectedness John K. BeemRobert J. LowPhillip E. Parker OriginalPaper Pages: 51 - 64
Maximal Baer groups in translation planes and compatibility with homology groups Mauro BiliottiNorman L. Johnson OriginalPaper Pages: 65 - 101