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 __   __     ___     _____     __   __   _    _   
 \ \\/ //   / _ \\  |  __ \\   \ \\/ // | || | || 
  \   //   / //\ \\ | |  \ ||   \ ` //  | || | || 
  / . \\  |  ___  ||| |__/ ||    | ||   | \\_/ || 
 /_//\_\\ |_||  |_|||_____//     |_||    \____//  
 `-`  --` `-`   `-`  -----`      `-`'     `---`

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Text this: Parameter identification of large structural systems in time domain