Whitwell, John C. <br/><br/>
Conservation of mass and energy 

 - Waltham, Massachusetts :   Blaisdell,   1969. 
 - 496 p. diagram.  gráf. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MASA<br/>ENERGIA<br/>BALANCES DE MASA<br/>BALANCES DE ENERGIA<br/>PLANTAS QUIMICAS<br/>GASES<br/>CONSERVACION DE ENERGIA
<br/><br/><label>Universal Decimal Class. No.: </label>66.01