Published in Bollettino Malacologico, in 1997, in volume 33, issue 1-4, pages 11-18
Published in Bollettino Malacologico, in 1997, in volume 33, issue 1-4, pages 25-28
Published in Bollettino Malacologico, in 1997, in volume 33, issue 1-4, pages 41-42
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 59-62
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 63-68
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 69-76
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 77-82
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 83-88
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 89-94
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 95-104
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 105-114
Published in Bollettino Malacologico, in 1997, in volume 33, issue 5-8, pages 115-122
Published in Bollettino Malacologico, in 1997, in volume 33, issue 9-12, pages 123-126
Published in Bollettino Malacologico, in 1997, in volume 33, issue 9-12, pages 135-138
Published in Bollettino Malacologico, in 1997, in volume 33, issue 9-12, pages 141-142
Published in Bollettino Malacologico, in 1997, in volume 33, issue 9-12, pages 157-160
Published in Bollettino Malacologico, in 1997, in volume 33, issue 9-12, pages 161-168