Published in Zitteliana, in 1990, in volume 17, pages 3-312
Published in Zitteliana, in 1990, in volume 18, pages 5-51
Published in Zitteliana, in 1990, in volume 18, pages 53-70
Published in Zitteliana, in 1990, in volume 18, pages 71-78
Published in Zitteliana, in 1990, in volume 18, pages 79-88
Published in Zitteliana, in 1990, in volume 18, pages 89-133
Published in Zitteliana, in 1990, in volume 18, pages 135-163
Published in Zitteliana, in 1990, in volume 18, pages 165-180