TY  - BOOK
AU  - Abastillas,Vivencio N.
TI  - Introduction to astronomy
SN  - 9710603817
U1  - 520 Ab118 1996 
PY  - 1996///
CY  - Quezon City
PB  - Phoenix Pub.
KW  - Astronomy
KW  - Study and teaching
N1  - Includes index; Bibliography: p.169-170
ER  -