request documentation "dual behavior resonator filters&

Hi everybody

need help to find documentation about DBR filters?

if someone had this
? Design Techniques for Dual-passband Filters, ? IEEE Transactions on Microwave
Techniques, Vol. 53, No. 11, November 2005."

or this:
IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 9, September 2005.

or
IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 1 march 2003.

you can post it here " ra.2@live.fr " my e-mail adress!

thanx:D