João Rogério Caldas Pinto Pedro Vieira Mário Ramalho M. Mengucci Pedro Pina Fernando Muge Ancient Music Recovery for Digital Libraries. 24-34 2000 conf/ercimdl/2000 ECDL http://link.springer.de/link/service/series/0558/bibs/1923/19230024.htm db/conf/ercimdl/ecdl2000.html#PintoVRMPM00