Popular Electronics – Electronic-Experimenters-Handbook-1972-Winter
Angličtina 148 3Popular Electronics – Electronic-Experimenters-Handbook-1974-Winter
Angličtina 148 5Popular Electronics – Electronic-Experimenters-Handbook-1973-Spring
Angličtina 148 3Popular Electronics – Electronic-Experimenters-Handbook-1968-Winter
Angličtina 148 4Popular Electronics – Electronic-Experimenters-Handbook-1975-Winter
Angličtina 148 3Popular Electronics – Electronic-Experimenters-Handbook-1995-Summer
Angličtina 116 4