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The Use of Large Valve Overlap in Scavenging a Supercharged Spark-ignition Engine Using Fuel Injection (1932)
NASA Technical Reports Server (NTRS) · leaf 14
N.A.C.A. Technical Note Uo.406 Continuation of Fi.o;NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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