Impact of human activities on the dynamics of arid and semi-arid zone ecosystems,with particular attention to the effects of irrigation,18-20 March,1975,Paris:final report 

 - UNESCO  1975 
 - 44 
 - Arid zone ecosystems Semi-arid zone ecosystems 
 - MAB Report Series No 29 .
<br/><br/> Programme on man and the biosphere (MAB) 
 = Impact of human activities on the dynamics of arid and semi-arid zone ecosystems,with particular attention to the effects of irrigation 
<br/><br/><label>Standard No.: </label>M 
<br/><br/><label>Standard Tech. Report. No.: </label>
<br/><br/><label>LCCN: </label>B 
<br/><br/><label>Nat. Bib. No.: </label>P-0108 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>577.4 IMP 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Sciences
<br/><br/><label>Universal Decimal Class. No.: </label>577.4