reflectarray antennas reference

Hi,

I'm doing my final project about reflectarray antennas.
Anybody can suggest me, what book should I refer for reflectarray antennas.
It hard for me to find book regarding reflectarray antennas.

provide e-books are much appreciated...:D

Hi,
The book titled "Reflectarray Antennas" by:Encinar and Huang, is very useful.
best