Topping,J. <br/><br/>
Errors of Observation and Their Treatment 

 - New York:  behalf of the institute of physics,  1955. 
 - 119p.;  23cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library operations<br/>D.A. Perera Collection
<br/><br/><label>Dewey Class. No.: </label>025.431  / TOP