TY  - BOOK
AU  - Duff
TI  - PHYSICS FOR STUDENTS OF SCIENCE & ENGINEERING
U1  - Pg104 
PY  - 1932///
CY  - LONDON
PB  - J. & A. CHURCHILL
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  -