July 1979	VOLUME 4	NUMBER 3	IJOEDY	(ISSN 0364-9059)

NONTECHNICAL CONTENT
		Front cover and table of contents
		Back cover
PAPERS
Arthur M. Pederson and Michael C. Gregg		Development of a small in-situ conductivity instrument		69
Sverre Holm and Jens M. Hovem		Estimation of scalar ocean wave spectra by the maximum entropy method		76
Barry E. Tossman, David L. Thayer, and William A. Swartz		An underwater towed electromagnetic source for geophysical exploration		84
Earnest A. Franke		Corrosion enhancement of an undersea repeater due to the hall effect		89
Wolf H. Hilbertz		Electrodeposition of minerals in sea water: Experiments and applications		94
José M. F. Moura		Passive systems theory with narrow-band and linear constraints: Part III -- Spatial/Temporal diversity		113
COMMUNICATIONS
Ron F. McPherson		Performance of a real-world minimum variance integrated navigation system		120