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H. Greenstein, D. J. Lovell, R. Astheimer, S. F. Jacobs, C. C. Petty, J. J. Ball, R. Kingslake, R. Prescott, R. L. Barns, M. Lurie, C. B. Rubinstein, L. S. Birks, A. Mann, J. J. J. Staunton, G. W. Cleek, E. Manring, D. L. Sullivan, J. A. Decker, G. Marshall, S. K. Tchejeyan, S. Ezekiel, J. R. Meyer-Arendt, L. O. Vargady, D. C. Harper, H. Miranda, W. Vaughan, R. L. Hilliard, C. F. Mooney, P. Wakeling, B. J. Howell, J. W. Nielsen, D. E. Williamson, W. L. Hyde, E. D. Palik, J. Zimmerman, and K. S. Pennington, "Patents patter: a comment," Appl. Opt. 17, 3507-3508 (1978)
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