1. Kahn R. and Wilensky R. A framework for distributed digital object services. (1995); www.cnri.reston.va.us/home/cstr/arch/k-w.html. Kahn R. and Wilensky R. A framework for distributed digital object services. (1995); www.cnri.reston.va.us/home/cstr/arch/k-w.html.
2. Nelson M. Buckets: Smart objects for digital libraries. Ph.D. Dissertation Old Dominion University (Aug. 2000); home.larc.nasa.gov/~mln/phd. Nelson M. Buckets: Smart objects for digital libraries. Ph.D. Dissertation Old Dominion University (Aug. 2000); home.larc.nasa.gov/~mln/phd.
3. Multivalent documents
4. The Santa Fe Convention of the Open Archives Initiative