Hi, I would be grateful if someone could send me the following paper.<br/><br/>Digital Wavefront Measuring Interferometer for Testing Optical Surfaces and Lenses<br/>J. H. Bruning, D. R. Herriott, J. E. Gallagher, D. P. Rosenfeld, A. D. White, and D. J. Brangaccio<br/>Applied Optics, Vol. 13, Issue 11, pp. 2693-2703 (1974)<br/><a href="http://dx.doi.org/10.1364/AO.13.002693" target="_blank" rel="nofollow ugc" title="Click to follow link">http://dx.doi.org/10.1364/AO.13.002693</a><br/><a href="http://www.opticsinfobase.org/abstract.cfm?&id=18996" target="_blank" rel="nofollow ugc" title="Click to follow link">http://www.opticsinfobase.org/abstract.cfm?&id=18996</a><br/><br/>Thank you.<br/>:-)