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  1. 1
    local holding
  2. 2
    online resource
  3. 3
    online resource
  4. 4
    local holding
  5. 5
    local holding
    1996
    In collection: Daten zur Natur
    Book
  6. 6
    local holding
    Book
  7. 7
    online resource
  8. 8
    local holding
  9. 9
    online resource
    1991
    In collection: Naturschutz heute
    Electronic Journal Online
  10. 10
    local holding
  11. 11
  12. 12
    local holding
  13. 13
    local holding
  14. 14
    local holding
  15. 15
  16. 16
  17. 17
    online resource
  18. 18
    online resource
  19. 19
    local holding
  20. 20