Description
Item Description:Title from title screen (viewed on July 13, 2009).
"January 1995."
Electronic resource.
Physical Description:36, 120 pages : illustrations ; 28 cm.
Format:Mode of access: Internet from the NOAA web site. Address as of 7/13/2009: http://www.cop.noaa.gov/pubs/das/das4.pdf ; current access is available via PURL.
Bibliography:Includes bibliographical references (pages 33-36).