This is the translation of the long Hungarian book what I made in cooperation with other guys for ex. with Hpaps, he is well known here I guess. This is the whole, in Hungarian.
http://www.mediafire.com/file/f5i2wh4wk09ne4p/HT_%C3%B6sszefoglal%C3%B3_2017-nyomtatobarat.pdf

Next chapter is from the big book.
http://www.mediafire.com/folder/zkcw69g28351z/F-117_vs_S-125