TY  - BOOK
AU  - Abastillas,Vivencio N.
TI  - Introduction to astronomy
SN  - 9710603817
PY  - 1996///
CY  - Quezon City
PB  - Phoenix Pub. House
KW  - Astronomy
KW  - Study and teaching
N1  - Includes appendics, glossary, bibliography and index
ER  -