A Persistent System in Real Use: Experiences of the First 13 Years
   Eumel and successor L3, OSs made by GMD, have been used for 13 and 4 years respectively, for production in business, education. Over 2000 Eumel, 500 L3 have shipped since 1979, 1988. Both rely on persistence, with fault-surviving. Description, links. [Res
   http://citeseer.ist.psu.edu/liedtke93persistent.html

Architecture of the PEVM: A High-Performance Orthogonally Persistent Java Virtual Machine
   Describes design, implementation of new scalable, high performance implementation of orthogonal persistence for Java platform (OPJ). Based on Sun Microsystems Labs Virtual Machine for Research (ResearchVM); features: optimizing Just-In-Time compiler, exac
   http://www.sun.com/research/techrep/2000/abstract-93.html

Forest Project
   Investigated using persistent object technology in building large-scale software development environments. In time, became more about developing persistent object technology; broadened scope to provide support for all Java applications that manage long-li
   http://www.sun.com/research/forest/

Persistent Programming Research Group
   Web server in the School of Computer Science, St. Andrews University. Includes search by topic publications index.
   http://www-ppg.dcs.st-and.ac.uk/

TUNES: Orthogonal Persistence
   
   http://cliki.tunes.org/Orthogonal%20Persistence