Published in Bollettino Malacologico, in 1996, in volume 31, issue 5-8, pages 89-94

Published in Bollettino Malacologico, in 1996, in volume 31, issue 5-8, pages 95-118

Published in Bollettino Malacologico, in 1996, in volume 31, issue 5-8, pages 119-131

Published in Bollettino Malacologico, in 1996, in volume 31, issue 5-8, pages 133-136

Published in Bollettino Malacologico, in 1996, in volume 31, issue 5-8, pages 137-142

Published in Bollettino Malacologico, in 1996, in volume 31, issue 5-8, pages 143-162

Published in Bollettino Malacologico, in 1996, in volume 31, issue 5-8, pages 163-168

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 1-6

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 19-26

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 27-34

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 35-40

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 45-46

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 57-66

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 71-78

Published in Bollettino Malacologico, in 1996, in volume 32, issue 1-4, pages 79-88

Published in Bollettino Malacologico, in 1996, in volume 32, issue 5-8, pages 121-138

Published in Bollettino Malacologico, in 1996, in volume 32, issue 5-8, pages 145-150

Published in Bollettino Malacologico, in 1996, in volume 32, issue 5-8, pages 151-152