TY - BOOK AU - Andreev, A., ed. TI - Coherent Phenomena and Amplification without Inversion T2 - Proceedings of SPIE; V. 2798 SN - 9780819421869 (Print) PY - 1996/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/2798 ER -