CMOS Current-Mode Circuits for Data Communications, 2007 pp. 243-267
by the author named F. Yuan. It’s very fundamental, but quite useful and important.
It outlines as the following:
8.1 ESD sources
8.2 ESD protection principles
8.2.1 Current limiting of N-well resistors
8.2.2 Avalanche multiplication of NMOS transistors