Characterization of seminuclear sets in a finite projective plane Aart Blokhuis OriginalPaper Pages: 15 - 19
On polygons circumscribing a closed convex curve Waldemar CieŚlakMaria MaksymDuane DeTemple OriginalPaper Pages: 26 - 34
Cartesian groups not belonging to topological projective planes Eberhard Eisele OriginalPaper Pages: 35 - 46
Die Sechseck-n-Waben in der Ebene, welche von n Kreisbüscheln erzeugt werden Hakki İsmail Erdoğan OriginalPaper Pages: 47 - 59
Weakly Regular and Regular sets in Minkowski planes Carla FioriGloria Rinaldi OriginalPaper Pages: 60 - 73
Projektivitätengruppen von Ebenen über endlichen Semikörpern Theo Grundhöfer OriginalPaper Pages: 74 - 76
Jordan-Basen projektiver Räume bezüglich linearer Selbstabbildungen Johann Hartl OriginalPaper Pages: 77 - 81
A group theoretic characterization of finite derivable nets Norman L. Johnson OriginalPaper Pages: 95 - 104
Semifield skeletons of conical flocks Norman L. JohnsonGuglielmo LunardonFred W. Wilke OriginalPaper Pages: 105 - 112
Sharply transitive subsets of PΓL(2,F) and spreads covered by derivable partial spreads Norbert Knarr OriginalPaper Pages: 121 - 124
Translationsflächen in der äquiaffinen Differentialgeometrie Helmut Pabel OriginalPaper Pages: 148 - 164
On real hypersurfaces with harmonic curvature of a quaternionic projective space J. D. PérezF. G. Santos OriginalPaper Pages: 165 - 169
