Roberto Ballarini has written:
'The effects of crack surface friction and roughness on crack tip stress fields' -- subject(s): Crack surfaces
Giuseppe Ballarini has written: 'Caccie, armi e cavalli' -- subject(s): Horsemanship
Francesco Ballarini has written: 'Compendio delle croniche della citta di Como, raccolto da diversa auttori...'
Roberto Poloni has written: 'Roberto Poloni'
Roberto Barni has written: 'Roberto Barni'
Roberto Crippa has written: 'Crippa'
Roberto Estrada has written: 'Trenco'
Roberto Viola has written: 'Singularidad'
Roberto Carumati has written: 'Geologia'
Roberto Imperiale has written: 'Oremus'
Roberto Fallani has written: 'Roberto Fallani' -- subject- s -: Exhibitions
Roberto Piva has written: 'Piazzas' 'Quizumba'
Roberto Barocci has written: 'Maremma avvelenata'