Technique for the calibration of hydrophones in the frequency range 10 to 600 kHz using a heterodyne interferometer and an acoustically compliant membrane von THEOBALD, Pete D, ROBINSON, Stephen P, THOMPSON, Alex D, PRESTON, Roy C, LEPPER, Paul A, WANG YUEBING

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Proposed standard thermal test object for medical ultrasound von Shaw, Adam, Pay, Nadine M, Preston, Roy C, Bond, Antony D

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A theoretical model describing the transfer characteristics of a membrane hydrophone and validation von Gélat, Pierre N., Preston, Roy C., Hurrell, Andrew

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The impact of piezoelectric PVDF on medical ultrasound exposure measurements, standards, and regulations von Harris, G.R., Preston, R.C., DeReggi, A.S.

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International comparisons of hydrophone calibrations von Preston, Roy C., Robinson, Stephen R., Van Buren, Arnie L.

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A comparison of hydrophone calibration by free-field reciprocity and by optical interferometry von Robinson, Stephen P., Preston, Roy C.

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Towards new UK underwater acoustical measurement standards in the 21st century von Preston, Roy C., Robinson, Stephen R.

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The single European market and its influence on measurement and specification standards for ultrasonics von Preston, Roy C.

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An intercomparison of hydrophone calibrations within Europe von Robinson, Stephen P., Preston, Roy C., Green, Geraint J.

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An experimental study of the reflection from spherical and flat ended cylindrical targets suitable for fetal Doppler performance assessment von Preston, R.C., Bond, A.D.

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Appendix B review of current iec activities in acoustic output standardization of medical ultrasonic equipment von Preston, Roy C.

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EUROMET survey of European calibration facilities for underwater acoustics von Preston, Roy C., Robinson, Stephen P.

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The NPL ultrasound beam calibrator von Preston, R.C.

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Calibration of medical ultrasonic equipment-procedures and accuracy assessment von Preston, R.C., Bacon, D.R., Smith, R.A.

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Prediction of in situ exposure to ultrasound: An acoustical attenuation method von Preston, Roy C., Shaw, Adam, Zeqiri, Bajram

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Prediction of in situ exposure to ultrasound: A proposed standard experimental method von Preston, Roy C., Shaw, Adam, Zeqiri, Bajram

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Technique for the calibration of hydrophones in the frequency range 10 to 600 kHz using a heterodyne interferometer and an acoustically compliant membrane von Pete D. Theobald, Stephen P. Robinson, Alex D. Thompson, Roy C. Preston, Paul Lepper, Wang Yuebing

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DYNAMOMETERS von BRIAN G. NIXON, ROY C. PRESTON

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Comparative Losses of British Butterflies, Birds, and Plants and the Global Extinction Crisis von Thomas, J. A., Telfer, M. G., Roy, D. B., Preston, C. D., Greenwood, J. J. D., Asher, J., Fox, R., Clarke, R. T., Lawton, J. H.

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Horizon scanning for invasive alien species with the potential to threaten biodiversity in Great Britain von Roy, Helen E, Peyton, Jodey, Aldridge, David C, Bantock, Tristan, Blackburn, Tim M, Britton, Robert, Clark, Paul, Cook, Elizabeth, Dehnen‐Schmutz, Katharina, Dines, Trevor, Dobson, Michael, Edwards, François, Harrower, Colin, Harvey, Martin C, Minchin, Dan, Noble, David G, Parrott, Dave, Pocock, Michael J. O, Preston, Chris D, Roy, Sugoto, Salisbury, Andrew, Schönrogge, Karsten, Sewell, Jack, Shaw, Richard H, Stebbing, Paul, Stewart, Alan J. A, Walker, Kevin J

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