@InProceedings {dps.dmis92,
    author = {V. De Antonellis and B. Pernici and P. Samarati},
    editor = {{H.G.} Sol, {R.L.} Crosslin},
    booktitle = {Dynamic Modeling of Information Systems, II},
    title = {Object-Orientation in the Analysis of Work Organization and Agent Cooperation},
    publisher = {North-Holland},
    year = {1992}
}