TY - BOOK AU - Karu, Tiina, ed. TI - Effects of Low-Power Light on Biological Systems V T2 - Proceedings of SPIE; V. 4159 SN - 9780819438157 (Print) PY - 2000/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4159 ER -