Foulonneau, Muriel and Jenn Riley (2008). Metadata for digital resources. Chandos. first part available at http://local.openlib.org/home/krichel/courses/read/foulonneau08_metad_1.pdf, second part available at http://local.openlib.org/home/krichel/courses/read/foulonneau08_metad_2.pdf.