April 1992	VOLUME 17	NUMBER 2	IJOEDY	(ISSN 0364-9059)

NONTECHNICAL CONTENT
		Front cover and table of contents
		Back cover
PAPERS
Dion C. M. Horvat, John S. Bird, and Martie M. Goulding		True time-delay bandpass beamforming		185
Bernard E. Howard and James M. Syck		Calculation of the shape of a towed underwater acoustic array		193
Eric Lamarre and W. Kendall Melville		Instrumentation for the measurement of void-fraction in breaking waves: Laboratory and field results		204
Suzanne T. McDaniel		High-frequency forward scatter from Arctic ice: Temporal response		216
COMMUNICATIONS
Michael P. Bruce		Correction to "A processing requirement and resolution capability comparison of side-scan and synthetic-aperture sonars"		222