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

 - 4th 
 - London  Chapman and Hall Science Pape  rbacks     1972 
 - 119p. 
<br/><br/><label>ISBN: </label>412-21040-1 
<br/><br/><label>Dewey Class. No.: </label>630.015195