1. The Jet Airplane Utilizing Boundary Layer Air for Propulsion
2. 2Küchemann,D.,andWeber,J.,AerodynamicsofPropulsion,NewYork:McGrawHill,1953.
3. Wake ingestion propulsion benefit
4. 5Douglass, W.M. "Propulsive Efficiency with Boundary Layer Ingestion," McDonnell Douglas, Tech. Rep. MDC J0860, Aug.1970.