Spice modeling articles

Schematic Simulation (Ngspice)
1

This is not directly ngspice-related, but some interesting articles are available from Electronic Design mag:

https://www.electronicdesign.com/technologies/analog/article/55243572/modeling-on-mondays-spice-modeling-of-common-active-devicesan-overview-part-1?o_eid=7552G6724501F9L&rdx.ident[pull]=omeda|7552G6724501F9L

My first spice spice introduction was when I had to load the fortran version from 9-track tape reel into a vax 11/780, with outputs on the greenbar-paper line printer – sheesh, that was a while ago.