Journal Title: GRUPPI 
Year:  2011 Issue: Language: Italian 
Pages:  6 Pg. 147-152 FullText PDF:  474 KB
DOI:  10.3280/GRU2011-003012
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, in "GRUPPI" 3/2011, pp. 147-152, DOI:10.3280/GRU2011-003012


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