أرسل هذا في رسالة قصيرة: DISTRIBUTION OF PERSISTENT ORGANIC POLLUTANTS IN SOILS IRRIGATED WITH TREATED WASTEWATER IN BRAUNSCHWEIG, GERMANY

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