Prosser, Robert. <br/><br/>
Human systems and the environment/ 
Robert, Prosser. 
 - China:  Nelson,  1992. 
 - 252p.:  ill.  28 cm. 
<br/><br/>include index. 
<br/><br/><label>ISBN: </label>0174440707 978017440703 
<br/><br/><label>LC Class. No.: </label>GF75  / .P94 1992