TY  - BOOK
AU  - Walker,Gordon
TI  - Astronomical observations: an optical perspective 
SN  - 9780521339070
U1  - 522 
PY  - 1987///
CY  - Cambridge [Cambridgeshire]
PB  - Cambridge University Press
KW  - Astronomical instruments
KW  - Astronomy
KW  - Technique
KW  - Optical instruments
KW  - Astrophysics
N1  - Includes index; Bibliography: p. [321]-341
ER  -