TY  - BOOK
AU  - Lenk,John D.
TI  - McGraw-Hill Circuit encyclopedia and Troubleshooting guide
SN  - 0070376034
U1  - 621.3815 LEN 
PY  - 1993///
CY  - New york
PB  - Maccgrowhill
N1  - Includes bibliographical references
ER  -