NOAA ( National Oceanic and Atmospheric Administration) Environmental Digest :  Selected Indicators of The U.S. and The Global Environment / 
Edt. by R.A. Mosbacher, J.A. Knauss & S.A. Earle. 
 - Washington :  U.S. Department of Commerce,  1991. 
 - 134 p. :  fig. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Protection