161
162
by Schlenzig, Klaus
Published in Amateurelektronik 75 (1975)
Book
164
165
by Schlenzig, Klaus
Published 1987
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166
167
168
169
170
172
173
174
by Schlenzig, Klaus
Published 1986
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176
177
by Schlenzig, Klaus
Published [o. J.]
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178
by Schlenzig, Klaus
Published 1980
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180