Dellow, E. L. <br/><br/>
Methods of science:  an introduction to measuring and testing for laymen and students/ 
by E. L. Dellow. 
 - New York,  : Universe Books  ,1970 
 - 268 p.  illus. 
<br/><br/><label>ISBN: </label>0876631294 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>501 DEl/M