Conservation and agriculture / 
edited by J.G. Hawkes. 
 - London :  Duckworth,  1978. 
 - xvi, 284 p. 
<br/><br/><label>ISBN: </label>0715610325 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources--Citizen participation.<br/>Land use, Rural--Environmental aspects.<br/>Human beings--Influence on environment.