Malhotra A M Bright P S <br/><br/>
Bright's How Things Work: working principles of different models and instruments 

 - Delhi  Bright Careers Institute 
 - 112p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>Working Principles
<br/><br/><label>Dewey Class. No.: </label>500  / MAL/B