Popular Electronics – Electronic-Experimenters-Handbook-1994-Summer
Angličtina 116 3Popular Electronics – Electronic-Experimenters-Handbook-1972-Winter
Angličtina 148 5Popular Electronics – Electronic-Experimenters-Handbook-1974-Winter
Angličtina 148 6Popular Electronics – Electronic-Experimenters-Handbook-1973-Spring
Angličtina 148 3