Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 3-9
Published in Revue Suisse de Zoologie, in 1993, in volume 100, pages 19-24
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 225-233
Ecuadorianische Grubenottern der Gattung Bothriechis, Bothrops und Porthidium (Serpentes: Viperidae)
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 235-278
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 279-287
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 289-315
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 317-326
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 327-341
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 343-355
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 357-371
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 373-404
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 405-423
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 425-493
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 501-518
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 519-527
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 575-585
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 587-593
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 595-607
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 609-612
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 613-626
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 627-640
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 641-654
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 655-673
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 675-733
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 735-745
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 747-750
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 751-772
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 781-805
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 807-822
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 823-828
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 829-898
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 899-903
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 905-906
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 907-912
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 913-919
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 921-927
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 929-948
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 949-959
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 961-969
Published in Revue Suisse De Zoologie, in 1993, in volume 100, pages 971-992
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 25-29
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 31-37
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 39-45
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 47-64
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 65-74
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 75-89
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 91-112
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 113-136
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 137-142
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 143-168
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 169-173
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 197-210
Published in Revue Suisse de Zoologie, in 1993, in volume 100, issue 1, pages 211-219