TY  - BOOK
AU  - Johns, R.V  .
AU  - Rees,A.I  .
AU  - Ware,W.F  .
TI  - Graded and Everyday  examples in Physics / 
U1  - 530 
PY  - 1964///
CY  -  : 
PB  - MacMillan and Company Limited , 
ER  -