Index of /wiki-images/thumb/e/e2/Sample-formation-frequency.gif

      Name                    Last modified      Size  Description
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      120px-Sample-formati..> 2005-02-15 14:36  1.9K  
      150px-Sample-formati..> 2025-07-07 11:04  2.9K  
      180px-Sample-formati..> 2015-10-19 18:38  3.6K  
      240px-Sample-formati..> 2015-10-19 18:38  3.9K  
      90px-Sample-formatio..> 2025-07-07 11:04  1.7K