help me to find books about vivaldi antenna design with HFSS

Hi to all,
I am going to do project. It is designing of vivaldi antenna for 0.2 - 2 GHz frequency range on FR4 (Er = 4.4) substrate with HFSS . Could anyone tell me about the informations or websites or books.
Thank you for advices.

Try getting hold of some masters thesis on vivaldi antenna, U should be able to get one in scribd. A thesis would give u a good start with work and good references too..!

thanks a lot but i could not download a file in scribd if you can plz email those thesis to me.

U need to upload a file to download other from from Scribd.. So just upload any Paper or Book that u have and u can download from scribd..!