ECO2, Quenzer, A., & Gaillard, M. L. (1989). High power lasers and laser machining technology: Proceedings : 25-28 April 1989, Paris, France. SPIE--the International Society for Optical Engineering.
Chicago Style (17th ed.) CitationECO2, A. Quenzer, and Michel L. Gaillard. High Power Lasers and Laser Machining Technology: Proceedings : 25-28 April 1989, Paris, France. Bellingham, Wash., USA: SPIE--the International Society for Optical Engineering, 1989.
MLA (8th ed.) CitationECO2, et al. High Power Lasers and Laser Machining Technology: Proceedings : 25-28 April 1989, Paris, France. SPIE--the International Society for Optical Engineering, 1989.
Warning: These citations may not always be 100% accurate.