TY  - BOOK
AU  - E. G. Richardson
TI  - Sound : A physical text-book
U1  - 534 
PY  - 1963///
CY  - London
PB  - E L B S
N1  - E. G. Richardson: Sound : A physical text-book.  London.  E L B S, 1963.--(534RIC)
ER  -