Need Help For Designing Ultra Wide BandPass Stripline Filter

Hi there,
i need some book or article for earning synthesizing equations or methods for designing a stripline band pass filter 1-2 GHz.
it is urgent,
can any one help me plz?

Actually,i need to know about the principles of suspended stripline bandpass,for this case,do you have some information?



Thanks but actually i need to know about principles of synthesizing suspended substrate band pass filter,in this case,do you have any information?