Elonka, Stephen Michael.  <br/><br/>
Standard boiler operators' questions and answers / 
by Stephen Michael Elonka. 
 - New York :  MacGraw-Hill,  1969. 
 - xii, 365 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Steam--boilers--Examinations, questions, etc.