00411nam a2200157Ia 4500008004100000020001500041020001500056041000800071082000800079100001700087245007000104250001200174260003900186653001000225653001800235160808s1998    xx            000 0 eng d  a0198549989  a0198549970  aeng  a550  aDrury, S. A.  aImages of the Earth:ba guide to remote sensing /cby S. A. Drury  a2nd ed.  aOxford :bUniversity Press,c1998.  aEarth  aEarth Science