أرسل هذا في رسالة قصيرة: Elemental classification of the tusks of dugong (Dugong dugong) by HH-XRF analysis and comparison with other species

             ___                 ___     _    _   
    ___     / _ \\    ____      / _ \\  | || | || 
   /   ||  / //\ \\  |    \\   | / \ || | || | || 
  | [] || |  ___  || | [] ||   | \_/ || | \\_/ || 
   \__ || |_||  |_|| |  __//    \___//   \____//  
    -|_|| `-`   `-`  |_|`-`     `---`     `---`   
     `-`             `-`