Method for determining relevant variables representing {HEAD ~ the pressure} in {TAIL ~ the cylinders} of an internal combustion engine 
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Method for determining relevant variables representing { HEAD ~ the pressure } in { TAIL ~ the cylinders } of an internal combustion engine
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH