TY - BOOK AU - Hoover, Richard B., ed. AU - Levin, Gilbert V., ed. AU - Paepe, Roland P., ed. AU - Rozanov, Alexei Y., ed. TI - Instruments, methods, and missions for astrobiology IV T2 - SPIE proceedings series; v. 4495 SN - 0-8194-4209-7 PY - 2002/// CY - Washington, D. C. PB - The International Society for Optical Engineering KW - Astrobiology KW - Astromaterials KW - Life on mars KW - Microbial life ER -