Grego, Peter. <br/><br/>
Astronomical cybersketching  observational drawing with PDAs and tablet PCs /  [electronic resource] : 
by Peter Grego. 
 - New York, NY :  Springer-Verlag New York,  2009. 
 - xviii, 219 p. :  ill., digital ;  24 cm. 
 - Patrick Moore's practical astronomy series,  1431-9756 .
<br/><br/><label>ISBN: </label>9780387853512 (electronic bk.) 9780387853505 (paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Observations--Methodology.<br/>Freehand technical sketching--Technique.<br/>Touch screens.<br/>Astronomy.<br/>Popular Science in Astronomy.<br/>Physics.
<br/><br/><label>Dewey Class. No.: </label>522