Best, Eike, et al. <br/><br/>
Petri net algebra 
Eike Best et al. 
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 - Springer-Verlag, Berlin  2001 
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 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical logic-- Mathematics
<br/><br/><label>Dewey Class. No.: </label>511.3  BES-P