Herzner W.R. Direct access and external memory management of multimedia documents : An object-oriented approach. Pt. 1 : The model, 1991. - 101 p. - Текст : непосредственный.
Herzner W.R. Direct access and external memory management of multimedia documents : An object-oriented approach. Pt. 2 : The prototype, 1991. - 69 p. - Текст : непосредственный.