G. A. Budenkov, V. N. Kuyatkoskii, and Yu V. Petrov, "Oblique Radiation of Ultrasound by an Electromagnetic-Acoustical Method", Defektoskopia, No. 1, pp. 45-50, Jan.-Feb. 1973. |
R&D Proposal #93-038 to U.S. Army Tank Command, Warren, Mich., Mar. 17, 1993, Proposal marked "Proprietary". |
Same Proposal as in "A" to NASA--Kennedy Space Center, Apr. 7, 1993, Proposed marked Proprietary. |
NASA Tech Briefs MSC-21786, admitted prior art. |
A. C. Holt, B. Cummingham, G. C. Johnson, & D. Auslander, "Review of Progress in Quantitative Nondestructive Evaluation", Ed. by D. O. Thompson & D. E. Chementi (Plenum Press, New York 1987), vol. 6B, pp. 1549-1557. |
A. C. Holt, B. Cummingham, & G. C. Johnson, "Review in Quantitative Nondestructive Evaluation", edited by D. O. Thompson and D. E. Chementi (Plenum Press, New York 1988), vol. 7B, pp. 1405-1412. |
Fred R. Rollins, Jr., "International Advances in Nondestructive Testing" (Gordon and Breach Science Publishers, Inc. 1977), vol. 5, pp. 229-253. |