Text this

Number:

Provider:

CAPTCHA:

 __   _    _    _     ______     ___      ______  
| || | || | || | ||  /_   _//   / _ \\   /_____// 
| '--' || | || | ||    | ||    / //\ \\  `____ `  
| .--. || | \\_/ ||   _| ||   |  ___  || /___//   
|_|| |_||  \____//   /__//    |_||  |_|| `__ `    
`-`  `-`    `---`    `--`     `-`   `-`  /_//     
                                         `-`

Please enter what you see:

Text this: Secondary ion emission from silicon under 8 keV O2 + and Ar+ ion bombardment