Magnetkernspeicher mit Vielfachkoinzidenz. - Hans P. Schlaeppi; Ivan P. V. Carter (Elektron. Rechenanlagen, 1959)

A New Core Switch for Magnetic Matrix Stores and Other Purposes. - Ivan P. V. Carter (IRE Trans. Electron. Comput., 1960)

Submicrosecond Core Memories Using Multiple Coincidence. - Hans P. Schlaeppi; Ivan P. V. Carter (IRE Trans. Electron. Comput., 1960)