Classical Electrodynamics (Undergraduate Course) - Proff. Richard Fitzpatric

Complex Analysis - George Cain (Chapter 7 - Harmonic Functions)

Complex Analysis - George Cain (Chapter 5 - Cauchy's Theorem)

Complex Analysis - George Cain (Chapter 1 - Complex Numbers)

Bio Instrumentation - John D. Enderle

General Relativity

Einstein and Space-Time Units - HARADA

Complex Analysis - George Cain (Chapter 3 - Elementary Functions)