TY  - BOOK
AU  - N,j,Newark
TI  - Modern physics
U1  - Pg163 
KW  - Physics
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  -