Theoretical and computational plasma physics : selected lectures presented at two meetings, both held at the International Centre for Theoretical Physics - the ICTP College on theoretical and computational plasma physics, 22 March to 9 April 1977, organized by the ICTP and the Third international ["Kiev"] conference on plasma theory, 5 to 9 April 1977, organized by the Academy of Sciences of the Ukrainian SSR and the Academy of Sciences of the USSR (IAEA, 1978)