Usman, F. M. <br/><br/>
Ptolemaic system and copernicus system / 
F. M. Usman 
 - [S.I]  [s.n]  0 
 - 94 p. 
<br/><br/><label>ISBN: </label>58103 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Climate
<br/><br/><label>Dewey Class. No.: </label>910.113  / USM