Annual Symposium on Photomask Technology :
proceedings.
APA Citation
Symposium on Photomask Technology., Society of Photo-Optical Instrumentation Engineers., BACUS (Technical group). (1991). Annual Symposium on Photomask Technology: proceedings. Bellingham, Wash.: SPIE--the International Society for Optical Engineering.
MLA Citation
Symposium on Photomask Technology, Society of Photo-Optical Instrumentation Engineers, and BACUS (Technical group). Annual Symposium On Photomask Technology: Proceedings. Bellingham, Wash.: SPIE--the International Society for Optical Engineering, 1991.