increased energy economy and efficiency in the ECE 

 - New York  United Nations USA         1976 
 - vi, 101p. Appendix p. 93-101  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuel
<br/><br/><label>Dewey Class. No.: </label>X9(F55).5.N7, L6