Popular Electronics – Electronic-Experimenters-Handbook-1974-Spring
Angličtina 148 1Popular Electronics – Electronic-Experimenters-Handbook-1965-Fall
Angličtina 150 3Popular Electronics – Electronic-Experimenters-Handbook-1969-Spring
Angličtina 148 2Popular Electronics – Electronic-Experimenters-Handbook-1967-Spring
Angličtina 148 3Popular Electronics – Electronic-Experimenters-Handbook-1966-Fall
Angličtina 148 4