x-ray

Noun

 * 1) * ante 2002, J. S. Sandhu and H. Wang, Recent Advances in Acoustography-Based NDE, published in Recent Advances in Experimental Mechanics (Emmanuel E. Gdoutos, editor; ISBN 1-4020-0683-7, page 381:
 * [...] analogous to x-ray image formation [...]
 * [...] analogous to x-ray image formation [...]