by PIERI GIOVANI, BEDETTI GIANFRANCO, HELD LLEWELLYN JOHN, DUCATO ALDO
Year of Publication 25.02.1982

by BEDETTI GIANFRANCO, HELD LLEWELLYN JOHN, PIERI GIOVANNI, DUCATO ALDO
Year of Publication 10.11.1980

by PIERI,GIOVANNI, HELD,LLEWELLYN JOHN, BEDETTI,GIANFRANCO, DUCATO,ALDO
Year of Publication 10.09.1976

by BEDETTI GIANFRANCO, HELD LLEWELLYN JOHN, PIERI GIOVANNI, DUCATO ALDO
Year of Publication 31.05.1976

by PIERI; GIOVANNI, BEDETTI; GIANFRANCO, DUCATO; ALDO, HELD; LLEWELLYN JOHN
Year of Publication 21.10.1975

by GIANFRANCO BEDETTI, GIOVANNI PIERI, ALDO DUCATO, LLEWELLYN JOHN HELD
Year of Publication 06.06.1974

by PIERI,GIOVANNI, JOHN HELD,LLEWELLYN, BEDETTI,GIANFRANCO, DUCATO,ALDO
Year of Publication 04.03.1971

by HELD, LLEWELLYN, JOHN, PALMERTON, PA. (V.ST.A.), PIERI, GIOVANNI, BEDETTI, GIANFRANCO, MAILAND (ITALIEN), DUCATO, ALDO, NOVARA (ITALIEN)
Year of Publication 04.09.1980

by PIERI, GIOVANNI, BEDETTI, GIANFRANCO, MILANO, IT, HELD, LLEWELLYN JOHN, PALMERTON, PA., US, DUCATO, ALDO, NOVARA, IT
Year of Publication 28.01.1982