Classification
TBC - Electronic circuits
TBVJ - Printed circuits
3
UCEA - Environmental impact
3
DKAL - Linux - operating system
1
MWHL - Modeling, classification, clustering
1
TAA - Engineering sciences - reference books
1
TBB - Electronics - theory
1
TBD - Microelectronics
1
TBF - Semiconductor devices
1
TBG - Transistors
1
TBH - Power electronics, rectifiers, thyristors
1
TBR - Analog electronics
1
TBS - Digital electronics
1
TBV - Electronic devices
1
TBVH - Electron tubes, oscillators, photomultipliers
1
THE - Computer aided design and engineering (CAD)
1