White, I. D. <br/><br/>
Environmental systems :  an introductory text / 
I.D. White, D.N. Mottershead and S.J. Harrison. 
 - London :  G. Allen & Unwin,  1984. 
 - xv, 495 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical recerences. 
<br/><br/><label>ISBN: </label>0045510652 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical geography.<br/>Natural history.