TY - BOOK AU - Swings,J.-P. ED - ECO2 ED - European Physical Society. ED - European Federation for Applied Optics. ED - Society of Photo-optical Instrumentation Engineers. ED - Association nationale de la recherche technique. TI - New technologies for astronomy: ECO2 : proceedings, 25-26 April 1989, Paris, France T2 - SPIE proceedings series SN - 0819401668 PY - 1989/// CY - Bellingham, Wash., USA PB - SPIE KW - Astronomy KW - Congresses N1 - Title at head of contents page, etc.: ECO2: new technologies for astronomy; Includes bibliographies and author index ER -