Earth observing system 
National Aeronautics and Space Administration 
 - Maryland  NASA 
 - iii+55p. 
 - NASA Technical Memorandum, 86129 .
<br/><br/> Personal Collection:Prof. B.P.Singh 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geophysical ProcessesGlobal Biochemical CycleGlobal Hydrological Cycle
<br/><br/><label>Universal Decimal Class. No.: </label>550.3:528.2  / NASA