Try the archives, e.g.,
http://www.pprune.org/tech-log/12479...ml#post1250815 .
Another one (in English):
http://ocw.mit.edu/courses/aeronauti...s-06/spl8a.pdf . Not that hard to find, and I am sure there are even plenty of web sources in Italian language, too. So no reason for banging your head against the wall
.
Last edited by Armchairflyer; 10th Aug 2014 at 17:50.
Reason: Source added