Classification, I Classification, II 9.2Taxon Path - 9.2.1Source ( en , ARIADNE ) langstrin g ( it , repertorio didattico ABC ) ( it , sistema di classificazione maestra ) 9.2.2Taxon - 9.2.2.1Id 2 charact erstring 121 12 9.2.2.2Entry ( en , Exact Sciences and Engineering ) langstrin g( it , cure parentali ) ( it , standard materiali fad )