#### Vol. 5, No. 1, 2007

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 The Journal About the Journal Editorial Board Subscriptions Submission Guidelines Submission Form Policies for Authors Ethics Statement ISSN (electronic): 2640-7345 ISSN (print): 2640-7337 Author Index To Appear Other MSP Journals
On minimum size blocking sets of external lines to a quadric in PG($d,q$)
1–11

### Paola Biondi, Pia Maria Lo Re and Leo Storme

New multiple hyper-regulus planes
13–34

### Norman L. Johnson

The general structure of the projective planes admitting PSL(2,q) as a collineation group
35–116

### Alessandro Montinaro

Elation groups of the Hermitian surface $H(3,q^2)$ over a finite field of characteristic 2
117–128

### Robert L. Rostermundt

Orthogonal arrays from Hermitian varieties
129–144