Atmospheric chemistry measurements during leg 4, 1993 North Atlantic cruise, R/V Malcolm Baldrige : Reykjavik, Iceland, to Miami, Florida, 4 September 1993 through 22 September 1993 / - Carsey, Thomas P. (U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, Atlantic Oceanographic and Meteorological Laboratory, 1996)