Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 197, pages 1-96

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 198, pages 1-10

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 199, pages 1-19

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 200, pages 1-2

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 202, pages 1-4

Published in Stuttg. Beitr. Naturk., in 1969, in volume 203, pages 1-15

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 204, pages 1-7

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 205, pages 1-7

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 206, pages 1-37

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 207, pages 1-16

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 208, pages 1-12

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 209, pages 1-42

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 210, pages 1-27

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 211, pages 1-11

Published in Stuttgarter Beiträge Naturkunde, in 1969, in volume 212, pages 1-4