2.
Shortwave Listening Guidebook The Complete Guide to Hearing the World
by Helms, Harry L.
ISBN: 9781878707116
List Price: $19.95
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Shortwave Listening Handbook - Harry L. Helms - Paperback
by Helms, Harry L.
ISBN: 9780138095918
List Price: $18.50
5.
Complete Shortwave Listener's Handbook - Hank Bennett - Paperback - 3rd ed.
by Bennett, Hank, Helms, Harry...
ISBN: 9780830626557
List Price: $17.95
6.
Cmos Devices 1987 Sourcebook
by Technipubs, Inc. Staff, Hel...
ISBN: 9780131388925
List Price: $36.95
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Linear Ic Devices 1987 Source Book
by Technipubs, Inc. Staff, Hel...
ISBN: 9780135369135
List Price: $40.95
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Microprocessors 1987 Source Book
by Technipubs, Inc. Staff, Hel...
ISBN: 9780135818855
List Price: $40.95
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Computer Language Reference Guide - with Keyword Dictionary - Harry L. Helms - Paperback
by Helms, Harry L.
ISBN: 9780672217869
List Price: $9.95
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Master Guide to Electronics Circuits - Harry L. Helms - Hardcover
by Helms, Harry L.
ISBN: 9780135597903
List Price: $39.00
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The Complete Shortwave Listener's Handbook
by Bennett, Hank, Helms, Harry L.
ISBN: 9780830699414
List Price: $15.95
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Operational Amplifiers : 1987 Sourcebook
by Technipubs, Inc. Staff, Hel...
ISBN: 9780136378778
List Price: $42.95
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Complete Shortwave Listener's Handbook
by Bennett, Hank, Helms, Harry...
ISBN: 9780830603558
List Price: $23.95
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Handbook of Radio Communications Servicing and Maintenance
by Helms, Harry L.
ISBN: 9780133804782
List Price: $42.00
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24.
Basic Book: A Cross-Referenced Guide to the Basic Language
by Helms, Harry L.
ISBN: 9780070279599
List Price: $14.95
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McGraw-Hill Computer Handbook
by Helms, Harry L., Osborne, Adam
ISBN: 9780070279728
List Price: $89.95