KNAPP, Brian <br/><br/>
Challenge of the Natural Environment 
Brian Knapp, Simon Ross and Duncan Mcrae 
 - Engaland  Longman Group Ltd  1989 
 - 272pg.:  ill.;  24cm. 
<br/><br/> include index 
<br/><br/><label>ISBN: </label>0582355974 
<br/><br/><label>Dewey Class. No.: </label>910.02