John Porter  <br/><br/>
Physical And Environmental Human Activities  

 - Oxford Publlisher  New York  1989 
 - 127p  1 
 - 2023-11-01 
<br/><br/><label>ISBN: </label>0-19-913332-8 
<br/><br/><label>Nat. Bib. No.: </label>0002366 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>POR 
<br/><br/><label>Universal Decimal Class. No.: </label>910