TY  - BOOK
AU  - Henney, Keith
TI  - Electron tubes in industry
PY  - 1952///
CY  - New York
PB  - McGraw-Hill Book Company, Inc.
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=1582
ER  -