Lang Paul .V <br/><br/>
heat and cooling safety 
V. Paul Lang 
 - USA  Delmar publishers  1977 
 - vi, 53p. :ill.  hbk 
<br/><br/><label>ISBN: </label>0827310110 
<br/><br/><label>LC Class. No.: </label>TP363.L3  / 1977