Text this: Erratum: Effect of rare-earth (Re = La, Nd, Ce and Gd) doping on the doping piezoelectric of PZT (52:48) ceramics (International Journal of Modern Physics B (2007) 21:26 (4549-4559))

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