REFERENCES FOR WebNote 8/20/2009<br><br>

<a href="http://electronotes.netfirms.com/AN71.pdf">[1] AN-71</a><br><br>  
<a href="http://electronotes.netfirms.com/EN85part.pdf">[2] EN#85 - Poles Located, Summation</a><br><br>     
<a href="http://electronotes.netfirms.com/EN97part.pdf">[5] EN#97 - Bjorkman.</a><br><br>