أرسل هذا في رسالة قصيرة: Headway in spatial data handling|h[electronic resource : 13th International Symposium on Spatial Data Handling

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