TY  - BOOK
AU  - Crawford, David, ed.
TI  - Instrumentation in Astronomy VII
T2  - Proceedings of SPIE; V. 1235
SN  - 9780819402790 (Print)
PY  - 1990///
CY  - Washington, USA
PB  - SPIE
UR  - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1235
ER  -