TY - BOOK AU - Hartwick, Thomas, ed. TI - CO2 Laser Devices and Applications T2 - Proceedings of SPIE; V. 0227 SN - 9780892522569 (Print) PY - 1980/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0227 ER -