The Theory of p-n Junctions in Semiconductors and p-n Junction Transistors by William Shockley (1949, 10.1002/j.1538-7305.1949.tb03645.x)

Bell System Technical Journal28(3), pp.435–489, July1949. Original theoretical treatment of rectifying junctions, minority-carrier injection and junction-transistor action.

Publisher laboratory record and opening text: www.nokia.com/bell-labs/publications-and-media/publications/the-theory-of-p-n-junctions-in-semiconductors-and-p-n-junction-transistors/