{HEAD ~ Process} for model assisted determination of the fresh air mass flowing into {TAIL ~ the cylinders} of an internal combustion engine with external exhaust gas recycling 
{ HEAD ~ Process } for model assisted determination of the fresh air mass flowing into { TAIL ~ the cylinders } of an internal combustion engine with external exhaust gas recycling
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH