Journal Title: GRUPPI 
Year:  2009 Issue: Language: Italian 
Pages:  13 Pg. 147-159 FullText PDF:  212 KB
DOI:  10.3280/GRU2009-001013
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, in "GRUPPI" 1/2009, pp. 147-159, DOI:10.3280/GRU2009-001013


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