De Loos: Plange quasi virgo

I. de Loos: Plange quasi virgo. An archeological study of the Utrecht Responsory tradition, in: The Di Martinelli Collection (KULeuven University Archives) / Musical Life in the Collegiate Churches in the Low Countries and Europe / Chant and Polyphony. 4th Yearbook of the Alamire Foundation (Leuven-Peer 2000) [Actual year of publication: 2002], pp. 167-191.