TY - BOOK AU - Schäfer, Klaus, ed. TI - Spectroscopic Atmospheric Environmental Monitoring Techniques T2 - Proceedings of SPIE; V. 3493 SN - 9780819429520 (Print) PY - 1998/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3493 ER -