Ukraine and regional co-operation in security : looking ahead : 11th partnership for peace international research seminar, Kyiv, 23-26 June, 2002 / [organized by] NATO Defense College ; in coopération with the National institute of international security problems (Kyiv), the Center for European and international studies, the Institute of international relations of Kyiv,... [et al.] ; edited by Dieter Ose and Laure Borgomano-Loup