Environmental impact data book / 
by Jack Golden [et al.]. 
 -  Ann Arbor Science,  1980. 
 - xxi, 864 p. 
<br/><br/>Includes bibliogr. references. 
<br/><br/><label>Subjects--Index Terms: </label>გარემო გარემოს დაცვა 
<br/><br/><label>Universal Decimal Class. No.: </label>502