TY  - BOOK
AU  - R. W. Argyle
TI  - Observing and Measuring Visual Double Stars
SN  - 9781461439455
PY  - 2012///
PB  - Springer New York
KW  - Physics and Astronomy
UR  - https://doi.org/10.1007/978-1-4614-3945-5
ER  -