TY - BOOK AU - Kalli, Kyriacos, ed. TI - Photonic Crystal Fibers II T2 - Proceedings of SPIE; V. 6990 SN - 9780819471888 (Print) PY - 2008/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6990 ER -