Text this: Acoustic, dielectric and piezoelectric properties of 1-3 connectivity barium titanate-portland cement composites

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