TY  - BOOK
AU  - POYNTING (J H)
TI  - Textbook of physics: sound  Ed 6
U1  - 534/78 
PY  - 1913///
CY  - London
PB  - Charles Griffin & Co Ltd.
KW  - Textbook
KW  - sound
KW  - physics
KW  - Ed
KW  - 6
ER  -