Vaughan, Roger J, <br/><br/>
The value of urban open space / 
Roger J. Vaughan   
 - xi, 57 pages ;  28 cm. 
 - The Rand paper series;  P-5968 .
 - The Rand paper series;  P-5968  .
<br/><br/>Includes bibliographical references (pages 56-57)  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Recreation--Economic aspects  <br/>Open spaces--Economic aspects--United States