Applied Acoustics, Vol. 48, No. 4, pp. 365-366, 1996 Copyright © 1996 Elsevier Science Ltd Printed in Great Britain. All rights reserved ELSEVIER Contents of Volume 48 Number 1 1 Effect of Diameter-to-Thickness Ratio of Crystal Disks on the Vibrational Characteristics of Ultrasonic Ceramic Transducers RUPA MITRA (India) Active Noise Control of Enclosed Harmonic Fields by Using BEM-Based Optimization Techniques MINGSIAN R. BAI & SERNSHEN CHANG (Taiwan) Acoustical Characteristics of Fabrics in High-Intensity Ultrasound G. V. DATAR, P. BANKS-LEE & P. L. GRADY (USA) Experimental Study of Local Mass Influence on Sound Radiation from a Thin Limited Cylindrical Shell A. E. EKIMOV & A. V. LEBEDEV (Russia) Study on Personal Noise Exposure in China D. ZHENG, X. CAI, H. SONG & T. CHEN (People’s Republic of China) Experimental Study on Sound Insulation of Membranes with Small Weights for Application to Membrane Structures N. HASHIMOTO, M. KATSURA, Y. NISHIKAWA, K. KATAGIHARA, T. TORII & M. NAKATA (Japan) Technical Note 85 Spherical Acoustical Holography of Low-Frequency Noise Sources J. C. LEE (Taiwan) 97 Calendar Number 2 101 Acoustical Properties of Wool K. O. BALLAGH (New Zealand) 121 Improved Empirical Model of Sound Propagation through a Fibrous Material N. VORONINA (Russia) 133 A New Package for Blast Noise Prediction at UK Artillery and Testing Ranges M. WEST, J. D. TURTON & G. KERRY (UK) 155 A Practical Prediction Method of Psychological Response to Arbitrary Non-white Random Noise Based on Simplified Patterns of Membership Functions SHIZUMA YAMAGUCHI, TETSURO SAEKI & YUICHI KATO (Japan) Technical Note 175 Sound Propagation in Housing Estates from a Passing Vehicle CHEW CHYE HENG (Singapore) 185 Calendar 366 Contents of Volume 48 Number 3 187 Acoustical Damage to the Rat Brain A. K. SINGH, J. BEHARI & P. RAGHUNATHAN (India) 195 Assessment of the Sound Insulation of a Wood Joist Construction due to Different Types of Impact Sources WANQING SHI, CARIN JOHANSSON & ULRIK SUNDBACK (Sweden) 205 An Adaptive Grid Procedure for High Intensity Pulses Propagated in Air P. CAINE & M. WEST (UK) 237 Feasibility of Conditioning Monitoring of Bearings Used in a Viaduct J. WANG & C. H. CHEW (Singapore) 249 Some Characteristics of Noise in Air-Conditioned Landscaped Offices S. K. TANG & W. C. CHAN (Hong Kong) 269 Book Review 272 Calendar Number 4 275 Computational Methods for the Acoustic Modal Analysis of an Enclosed Fluid with Application to a Loudspeaker Cabinet S. M. KIRKUP & M. A. JONES (UK) Approximate Determination of Vibration Frequencies of Doubly Connected Membranes of Complicated Boundary Shape V. H. CORTINEZ, P. A. A. LAURA & H. C. SANZI (Argentina) Dynamic Vibration Absorbers Used for Increasing the Noise Transmission Loss of Aircraft Panels ZHAOHUI SUN, JINCAI SUN, CHONG WANG & YANG DAI (People’s Republic of China) Theoretical Analysis of the Acoustical Behaviour of Roadside Barriers with Diffusive Internal Surfaces C. CIANFRINI, M. CORCIONE & D. M. FONTANA (italy) 339 Sound Absorption of Wood-Based Materials CON WASSILIEFF (New Zealand) Technical Note 357 Acoustic Center Determination on Anechoic Half-Space FRANCISCO PARENTES DE REZENDE CORREA (Brazil) 363 Calendar