Modular Series on Solid State Devices: PN Junction Diode

Judy: Judy Garland by Gerold Frank (Paperback, 1977)

The Bipolar Junction Transistor Paperback Gerold W. Neudeck

Judy - 0306808943, paperback, Gerold Frank

The Desert Fox Family Book by Laukel, Hans Gerold

JUDY by Gerold Frank Dell Book 1st Print 1976 Paperback PB-5107 #GGA-Biography

SCHWEIZER TAFELFREUDEN(German) Swiss Culinary Delights Gerold & Heidi Albonico

Field effect devices (Modular series - Paperback, by G.W. Neudeck - Acceptable