TY  - BOOK
AU  - Johns, R V
TI  - Graded and Everyday Examples in Physics
U1  - 530 
PY  - 1930///
CY  - London
PB  - Macmillan
KW  - General Stack
KW  - Natural science & mathematics
KW  - PhysicsPhysics
KW  - Physics
ER  -