FACTS ON file    Encyclopedia of science.2V.      

 - New York     Facts On File      1999 
<br/><br/><label>Standard No.: </label>37133 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>Ak1,N9, N9.1-.2    RR