1. Stan, C.: Direct Injection Systems — The Next Decade in Engine Technology. SAE International, Society of Automotive Engineers, Warrendale, PA, USA, 2002, ISBN 0-7680-1070-5, SAE Order No. RR-015
2. Milovanovic, N.; Chen, R.: A Review of Experimental and Simulation Studies on Controlled Auto-Ignition Combustion. In: SAE Paper 2001-01-1890, 2001
3. Adzic, M.; Milovanovic, N.: Homogeneous Charge Compression Ignition (HCCI) Combustion — Challenge, Benefits and Future Engine Applications. Sixth International Conference on Technologies and Combustion for a Clean Environment, Porto, July 2001
4. Stan, C.; Hilliger, E.: Pilot Injection System for Gas Engines Using Electronically Controlled Ram Tuned Diesel Injection. Twenty-second CIMAC Congress, Copenhagen, Mai 1998
5. Stan,C.: Direct Injection Systems for Spark Ignition and Compression Ignition Engines. SAE International, Society of Automotive Engineers, Warendale, PA, USA, ISBN 0-7680-0610-4, SAE Order No. R-289