TY  - BOOK
AU  - Dezettel, Louis M.
TI  - Record changers; how they work
AV  - TS2301.P3 D48
U1  - 681.843 
PY  - 1968///
CY  - Indianapolis
PB  - H. W. Sams
KW  - Record changers
N1  - Includes index
ER  -