Heald, Henry T. <br/><br/>
The world of the engineer 

 - Washington :   Voice of America forum lectures,   1970. 
 - 251 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGENIEROS<br/>COMUNICACIONES<br/>AUTOMATIZACION<br/>BIOINGENIERIA<br/>ENERGIA SOLAR<br/>CONTAMINACION
<br/><br/><label>Universal Decimal Class. No.: </label>62