The Special Session closed with a general discussion led by a panel consisting of R.K. Kochhar (India, moderator), M. Gerbaldi (Prance), A. Ubachukwu (Nigeria) and M.C. Pineda de Carias (Honduras) and then opened to general participation. The account given here has been prepared by the Editor from summaries provided by the four panellists, notes taken during the discussion and records of the questions and answers provided by the other participants.