The experimental method :  a text for students of engineering science / 
edited by R.K. Penny ... [et al.]. 
 - London :  Longman,  c1974. 
 - viii, 179 p. : ill. 
<br/><br/><label>ISBN: </label>0582443512 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering--Experiments.<br/>Science--Experiments.