Hello,

Why do you post such a large bleached picture?
I rescaled and tried to make the text more readable:



Bertus

 

Yes. I recommend VanValkenburg, M.E., Analog Filter Design., 1982

http://www.amazon.com/Analog-Filter...30164373&sr=8-1&keywords=analog+filter+Design

I think it is a bargain at $16+