Global Terrestrial Observing system (GTOs): turning a sound concept into a practical reality 

 - Nairobi :  United Nations Environment Programme ,  1996 
 - Environment Assessment Technical Reports .
<br/><br/><label>ISBN: </label>9280715569 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Global Terrestrial Observing<br/>Terrestrial ecosystems