TY  - BOOK
AU  - Catchillar, Gerry C.
TI  - Principles and experiments: Physical Science
SN  - 971-086-738-5.
U1  - Fil. 500.2 P954 2007 
PY  - 2007///
CY  - Mandaluyong City : 
PB  - National Book Store
KW  - 1. Physical science
ER  -