Text this: Passive control of bilinear hysteretic structures by tuned mass damper for narrow band seismic motions

  ______   __   __             __   __    ______  
 /_____//  \ \\/ //     ___    \ \\/ //  /_   _// 
 `____ `    \ ` //     /   ||   \ ` //   `-| |,-  
 /___//      | ||     | [] ||    | ||      | ||   
 `__ `       |_||      \__ ||    |_||      |_||   
 /_//        `-`'       -|_||    `-`'      `-`'   
 `-`                     `-`