Thanks you. It is a pattern paper, so that any existing examples would 
be welcome, and if you use them, any further experience is also of interest.


Daniel


itsme213 wrote:

> "Daniel Vainsencher" <danielv at tx.technion.ac.il> wrote
>
>   
>> [1]  http://web.cecs.pdx.edu/~black/publications/ModelExtensions.pdf
>>     
>
> Very nice paper, thank you.
>
> Sophie 
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>
>
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>