1. The Transistor, A Semiconductor Triode;Bardeen;Phys. Rev.,1948
2. The Theory of p-n Junctions in Semiconductors and p-n Junction Transistors;Shockley;Bell System Tech. Jour.,1949
3. Study of p-n-p Alloy Junction Transistor from d-c Through Medium Frequencies;Giacoletto;RCA Rev.,1954
4. A p-n-p Triode Alloy Junction Transistor for Radio Frequency Amplification;Mueller;RCA Rev.,1953