File:Source ions.jpg
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![File:Source ions.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Source_ions.jpg/800px-Source_ions.jpg?20071211043756)
Size of this preview: 800 × 517 pixels. Other resolutions: 320 × 207 pixels | 640 × 414 pixels | 1,109 × 717 pixels.
Original file (1,109 × 717 pixels, file size: 82 KB, MIME type: image/jpeg)