Richter, Nikolaus B. <br/><br/>
The nature at comets / 
by Nikolaus B. Richter ; translated and revised edition by Arthur Beer ; with an introduction and additional contributions by R. A. Lyhleton 
 - Rev. and translat ed. 
 - London :  Methuen,  1963 
 - xli, 24 p. :  ill. ;  24 cm. 
<br/><br/> Original title : statistik and Physik der  Translation of: Statistik and Physik der 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> F.P. 63.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets
<br/><br/><label>Dewey Class. No.: </label>523.6