Lenk, John D.
Simplified design of filter circuits
Newnes, 1998
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Lenk, John D.
Simplified design of micropower and battery circuits
Butterworth-Heinemann, 1996
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Simplified Design of ............
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Parker, Harry
Simplified design of structural wood
John Wiley & Sons, 1988
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Lenk, John D.
Simplified design of IC amplifiers
Newnes, 1996
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