EBSEES: 2 hits for Popović, Dragoljub

The European Bibliography of Slavic and East European Studies (EBSEES) collects books, journal articles, reviews and dissertations from Eastern Europe (former countries of Eastern Bloc) which were published in Belgium, Germany, Finland, France, Great Britain, the Netherlands, Austria and Switzerland from 1991 to 2007. The segment "Literature" and "Culture" of the European Bibliography of Slavic and East European Studies contains 18.000 bibliographic entries (from the total asset of 85.000). More information can be found here.

Your search for Popović, Dragoljub provides 2 hits
1	Le fédéralisme de l'ancienne Yougoslavie revisité. Qu'est-ce qui n'a pas fonctionné? Popović, Dragoljub, in: Revue internationale de Politique comparée 10, n°1, 2003, pp. 41-50
2	"Law in Serbia and Montenegro after the dismantling of Yugoslavia", in: Serbien und Montenegro: Raum und Bevölkerung - Geschichte - Sprache und Literatur - Kultur - Politik - Gesellschaft - Wirtschaft - Recht. Hrsg. von Walter Lukan, Ljubinka Trgovčević und Dragan Vukčević in Zusammenarbeit mit Valeria Heuberger, Thede Kahl, Andrej Mitrović, Miroslav Polzer und Mirjam Polzer-Srienz Popović, Dragoljub, in: Österreichische Osthefte 47, 1-4, 2005, pp. 721-734

The European Bibliography of Slavic and East European Studies (EBSEES) - 1991-2007

Le fédéralisme de l'ancienne Yougoslavie revisité. Qu'est-ce qui n'a pas fonctionné?