RT Book, Section SR Electronic(1) A1 United Nations Office of Legal Affairs YR 1999 T1 No. 28120. International Bank for Reconstruction and Development and Botswana T2 Treaty Series 1606 PB United Nations SN 9789210595261 DO 10.18356/d1032873-en-fr UL https://www.un-ilibrary.org/content/books/9789210595261s002-c094