Heal, O.w. /Menaut, J -C . /Steffen, W.L. <br/><br/>
Towards a global terrestrial observing system [STOS] : Detecting and monitoring change in rerrestrial ecosystems  

 - Paris  UNESCO  1993 
 - 71P. : ILL; 
<br/><br/><label>ISBN: </label>02801548 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Terrestrial globes , globes
<br/><br/><label>LC Class. No.: </label>G 3170 .H4