óÀ½ µðÁ©¿£Áø ºñÇà±â.The First Airplane Diesel Engine: by Robert B. Meyer
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SMITHSONIAN ANNALS OF FLIGHT
VOLUME 1 ¡¤ NUMBER 2
The First Airplane Diesel Engine:
Packard Model DR- 980 of 1928
ROBERT B. MEYER
Curator of Flight Propulsion
SMITHSONIAN INSTITUTION ¡¤ NATIONAL AIR MUSEUM
WASHINGTON, D.C. ¡¤ 1964