TY - BOOK AU - Speigle, Scott, ed. TI - Navigation and Control Technologies for Unmanned Systems II T2 - Proceedings of SPIE; V. 3087 SN - 9780819425027 (Print) PY - 1997/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3087 ER -