TY  - BOOK
AU  - PHILIPS DATA HADBOOK
TI  - ELECTRON TUBES, PT.3 - SPECIAL QUALITY TUBES, MAR. 1969: ELECTRONIC COMPONENTS & MATERIALS DIV
UR  - http://krc.immt.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=3708
ER  -