Ebert, Gary. <br/><br/>
Unitals in Projective Planes  [electronic resource] / 
by Gary Ebert, Susan Barwick. 
 - 1a ed. 
 - New York, NY :  Springer-Verlag New York,  2008. 
 -  v.: digital 
 - Springer Monographs in Mathematics,  1439-7382 .
<br/><br/><label>ISBN: </label>9780387763668 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Planos proyectivos
<br/><br/><label>LC Class. No.: </label>QA471  / E24 2008