Hubbard, Sally. — «InterPares 2 : the danube exodus case study». — Electronic Media Group : Special Sessions Program Information : June 13-14, 2004. — Washington : Electronic Media Group of the American Institute for Conservation of Historic and Artistic Works. — [Date of reference : January 5, 2005]. — Access : {{http://aic.stanford.edu/sg/emg/library/pdf/hubbard/Hubbard-EMG2004.pdf}}.