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Here is a link to the articles on her website. Some good reading in there.

http://www.kaseco.com/support/articles/ (When the front door is too onerous try the back door.......)

This one on using std dev. for trailing stops is interesting.

http://www.kaseco.com/support/articles/Setting_Stop-Losses_Using_Price_Volatility.pdf

Pseudo code is in the paper and afl is available on line with a quick search.