design parameter for archimedean antenna

dear all,
im a student and i have to design an archimedean spiral antenna, but i cant find any literature that guide me to choose the parameters.
can you guys help me? books,jurnals,papers, or anything
regards.

I searched for "archimedean spiral antenna" in www.google.com and found many design articles. Here is one:

http://scholar.lib.vt.edu/theses/ava...ll_etd_Ch2.pdf