Mapping time in a 2D-space

Nico Van de Weghe and Philippe De Maeyer 
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[DIR] Parent Directory                             -   
[   ] Figures.pdf             22-Mar-2004 21:24  195K  
[   ] Table.pdf               22-Mar-2004 21:24   60K  
[   ] Text.pdf                22-Mar-2004 21:24   41K
The paper is in 3 parts.