APA
SPIE Proceedings; Vol. 121, Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers, . (1975). Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers. SPIE: California.
Chicago
SPIE Proceedings; Vol. 121, Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers, . 1975. Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers. SPIE: California.
Harvard
SPIE Proceedings; Vol. 121, Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers, . (1975). Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers. SPIE: California.
MLA
SPIE Proceedings; Vol. 121, Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers, . Optics in adverse environments: proceedings of the Society of Photo-Optical Instrumentation Engineers. SPIE: California. 1975.