Design and Implementation of Multiple Type Objects in a Persistent Programming Language.

Masayoshi Aritsugi Akifumi Makinouchi Design and Implementation of Multiple Type Objects in a Persistent Programming Language. 70-76 1995 conf/compsac/1995 COMPSAC http://computer.org/proceedings/compsac/7119/71190070abs.htm db/conf/compsac/compsac1995.html#AritsugiM95