TY  - SER
ED  - Zhongguo ke xue yuan.
TI  - Publications of Beijing Astronomical Observatory =: Beijing tian wen tai tai kan
AV  - QB1 .P856
PY  - 1987///-1994]
CY  - Beijing, China
PB  - The Observatory
KW  - Astronomy
KW  - Periodicals
N1  - Title from cover; Title varies slightly
ER  -