Smil, Vaclav. <br/><br/>
Global ecology :  environmental change and social flexibility / 
Vaclav Smil. 
 - London ;  Routledge,  1993. 
 - xiii, 240 p. : 
<br/><br/><label>ISBN: </label>0415098858 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy.
<br/><br/><label>Dewey Class. No.: </label>363.7  / Gl