Looking for info about jamming and interference using FM signal

Hi scientists;
I want to read about Frequency Modulation and effect of interference and jamming on it. Also I want to know about jamming and interference by FM signal.
Please help me. Please advise me any book/paper/article/website.

try this website http://en.wikipedia.org/wiki/Radio_Jamming an this http://www.sss-mag.com/ss.html

U can refer the any text book which gives information about noise in FM for example say Communication systems by symon hykins 2nd edition.

you can read communication system by Carlson

i think this may help u

http://www.ion.org/meetings/past/gps2001/c2.html