Source : Free On-Line Dictionary of Computing

Object Oberon
     
        {Oberon} plus {class}es and {method}s by H. Moessenboeck &
        J. Templ, 1989.  See {Oberon-2}.
     
        ["Object Oberon - An Object-Oriented Extension of Oberon", H.
        Moessenboeck et al, ETH TR 109 (Apr 1990)].
     
        ["Object Oberon - A Modest Object-Oriented Language",
        H. Moessenboeck & J. Templ, in Structured Programming 10(4),
        1989].