TY  - BOOK
AU  - watson,w.h
TI  - on understanding physics
U1  - Pg166 
PY  - 1938///
CY  - london
PB  - cambridge
N1  - Pg mean Physics General & Mechanics Page 457-464 in A to Z Accession Register (Acc. No. Pg1-Pg228) & Page 640 (Acc. No. 224-231)
ER  -