TY  - BOOK
AU  - Bonner,Francis T., Phillips, Melba
AU  - x
TI  - Principles of Physical science: x
SN  - x
U1  - 500.2/BOP 
PY  - 1971///
CY  - Reading
PB  - Addison- wesley
KW  - Science
N1  - x
ER  -