Published in Zitteliana, in 1993, in volume 20, pages 9-13

Published in Zitteliana, in 1993, in volume 20, pages 15-24

Published in Zitteliana, in 1993, in volume 20, pages 41-58

Published in Zitteliana, in 1993, in volume 20, pages 59-65

Published in Zitteliana, in 1993, in volume 20, pages 67-77

Published in Zitteliana, in 1993, in volume 20, pages 87-92

Published in Zitteliana, in 1993, in volume 20, pages 93-103

Published in Zitteliana, in 1993, in volume 20, pages 105-122

Published in Zitteliana, in 1993, in volume 20, pages 123-132

Published in Zitteliana, in 1993, in volume 20, pages 133-144

Published in Zitteliana, in 1993, in volume 20, pages 145-154

Published in Zitteliana, in 1993, in volume 20, pages 155-164

Published in Zitteliana, in 1993, in volume 20, pages 171-178

Published in Zitteliana, in 1993, in volume 20, pages 179-211

Published in Zitteliana, in 1993, in volume 20, pages 213-221

Published in Zitteliana, in 1993, in volume 20, pages 223-252

Published in Zitteliana, in 1993, in volume 20, pages 253-261

Published in Zitteliana, in 1993, in volume 20, pages 263-276

Published in Zitteliana, in 1993, in volume 20, pages 277-293

Published in Zitteliana, in 1993, in volume 20, pages 295-300

Published in Zitteliana, in 1993, in volume 20, pages 301-309

Published in Zitteliana, in 1993, in volume 20, pages 311-321

Published in Zitteliana, in 1993, in volume 20, pages 323-329

Published in Zitteliana, in 1993, in volume 20, pages 331-342

Published in Zitteliana, in 1993, in volume 20, pages 343-347

Published in Zitteliana, in 1993, in volume 20, pages 349-359

Published in Zitteliana, in 1993, in volume 20, pages 361-368

Published in Zitteliana, in 1993, in volume 20, pages 369-378

Published in Zitteliana, in 1993, in volume 20, pages 379-387

Published in Zitteliana, in 1993, in volume 20, pages 389-401

Published in Zitteliana, in 1993, in volume 20, pages 403-409

Published in Zitteliana, in 1993, in volume 20, pages 411-417