Popular Electronics – Electronic-Experimenters-Handbook-1968-Spring
Angličtina 150 1Popular Electronics – Electronic-Experimenters-Handbook-1965-Spring
Angličtina 164 1Popular 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 2