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

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發送短信 : Silurian and Devonian in Vietnam—Stratigraphy and facies