Notes on the behavior and mechanics of scooping oviposition in Libellula composita (Hagen) (Anisoptera: Libellulidae) von Beckemeyer, R J

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Forewing Morphology of Dunbaria fasciipennis Tillyard (Palaeodictyoptera: Spilapteridae), with Notes on a Specimen from the University of Kansas Natural History Museum von Beckemeyer, R. J., Byers, G. W.

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A Few Records of Owlflies (Neuroptera: Ascalaphidae) Encountered while Collecting Odonata in the Southwestern United States and in Nicaragua von Beckemeyer, Roy J.

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Correct county and township for the Elmo, Kansas Lower Permian fossil insect locality von Beckemeyer, Roy J

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Bandwidth Attenuation with a Folded Cavity Liner in a Circular Flow Duct von Sawdy, D. T, Beckemeyer, R. J

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On the effect of thin shear layers with flow and density gradients on small disturbances in inviscid, compressible flows von Beckemeyer, R.J.

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Permopanorpa inaequalis Tillyard, 1926 (Insecta: Holometabola: Panorpida: Permopanorpidae): A fossil mecopteroid newly reported for the Lower Permian Wellington Formation of Noble... von Beckemeyer, Roy J, Hall, Joseph D

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Temperature gradient effects on sound propagation - Thin shear layer expansion results von BECKEMEYER, R J

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A method of weighted residuals for the investigation of sound transmission in non-uniform ducts without flow von Eversman, W., Cook, E.L., Beckemeyer, R.J.

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Application of an inner expansion method to plane, inviscid, compressible flow stability studies von Beckemeyer, Roy J.

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Note on a length effect on reflective acoustic liner performance von Beckemeyer, R.J., Sawdy, D.T.

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Temperature gradient effects on sounds propagation — thin shear layer expansion results von Beckemeyer, R.J.

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Analytical and experimental studies of folded cavity duct acoustic liners von Beckemeyer, R. J., Sawdy, D. T.

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Optimization of duct acoustic liners of finite length von Beckemeyer, R. J., Sawdy, D. T.

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Optimum segmented acoustic liners for flow ducts von Sawdy, D. T., Beckemeyer, R. J., Patterson, J. D.

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Transmission of Sound in Ducts with Thin Shear Layers—Convergence to the Uniform Flow Case von Eversman, Walter, Beckemeyer, Roy J.

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Acoustic radiation from lined, unflanged ducts: Duct termination impedance program von Beckemeyer, R. J., Sawdy, D. T.

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Acoustic radiation from lined unflanged ducts: Directivity index program von Beckemeyer, R. J., Sawdy, D. T.

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Acoustic radiation from lined, unflanged ducts: Acoustic source distribution program von Beckemeyer, R. J., Sawdy, D. T.

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Boundary Conditions for Mode-Matching Analyses of Coupled Acoustic Fields in Ducts von Beckemeyer, Roy J., Sawdy, David T.

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