Bergesen, H.O. <br/><br/>
Green Globe Yearbook - 1993 
H.O. Bergesen. 
 - New York  Oxford University Press  1993 
 - 271p., ill.; 25cm. 
<br/><br/><label>ISBN: </label>008039011. 
<br/><br/><label>Dewey Class. No.: </label>573.4,  / B48G