TY  - BOOK
AU  - Gray,Truman S.,[from old catalog]
ED  - Massachusetts institute of technology.
TI  - Applied electronics: a first course in electronics 
AV  - TK7815 .M34 1956
PY  - 1956///
CY  - New York
PB  - John Wiley and Sons,
KW  - Electronics
ER  -