1. Radar cross section handbook;Ruck,1970
2. Theory, design and applications;Cui,2010
3. Perfect metamaterial absorber;Landy;Phys Rev Lett,2008
4. Metamaterial electromagnetic wave absorbers;Watts;Adv Mater,2012
5. Multi-band metamaterial absorber using cave-cross resonator;Cheng;Europ Phys J Appl Phys,2011