Popular Electronics – Electronic-Experimenters-Handbook-1973-Spring
Angličtina 148 2Popular Electronics – Electronic-Experimenters-Handbook-1968-Winter
Angličtina 148 2Popular Electronics – Electronic-Experimenters-Handbook-1975-Winter
Angličtina 148 2Popular Electronics – Electronic-Experimenters-Handbook-1995-Summer
Angličtina 116 3