^Blumenau, Bernhard (2014). The United Nations and Terrorism. Germany, Multilateralism, and Antiterrorism Efforts in the 1970s. Basingstoke: Palgrave Macmillan. pp. 55–59.
ISBN978-1-137-39196-4.
^Blumenau, Bernhard (2014). The United Nations and Terrorism. Germany, Multilateralism, and Antiterrorism Efforts in the 1970s. Basingstoke: Palgrave Macmillan. pp. 55–59.
ISBN978-1-137-39196-4.