1.
Encyclopedia of Electronic Circuits
by Sands, Leo G., Mackenroth, ...
ISBN: 9780132754040
List Price: $17.95
2.
Illustrated Encyclopedia of Solid State Circuits and Applications
by Mackenroth, Donald R., Sand...
ISBN: 9780134505374
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Practical Examples for HP48 Calculator
by Mackenroth, Donald R.
ISBN: 9780201563252
List Price: $24.95