Yes, I could run a search
<<snide remark deleted on second thought - don't take it personaly - It was ommited only for the benefit of the other readers of this thread>>
on suggested titles and authors regarding PSK
You are in luck.
Ready made clickable link ready waiting for your mouse-left-click http://www.qsl.net/wm2u/psk31.html
There are a lot of other guides/articles/pages/sites etc out there.Dimitri