Rodrygo L. T. Santos Allan J. C. Silva Hugo S. Santos Alberto H. F. Laender Marcos André Gonçalves A Component-Based Digital Library Service for Finding Missing Documents. 5-19 2007 conf/sbbd/2007 SBBD http://www.lbd.dcc.ufmg.br:8080/colecoes/sbbd/2007/SBBD01.pdf db/conf/sbbd/sbbd2007.html#SantosSSLG07