TY  - BOOK
AU  - Grego,Peter
TI  - Venus and Mercury, and how to observe them
SN  - 0387742859 (pbk.)
PY  - 2008///
CY  - New York
PB  - Springer
KW  - Inner planets
KW  - Observations
KW  - Venus (Planet)
KW  - Mercury (Planet)
N1  - Includes bibliographical references and indexes
ER  -