- bom/Makefile: run and control the BOM generation system
- bom/atrf.equ: project-specific equivalences
- bom/atrf.inv: "inventory" of parts implemented as PCB features
- bom/atrf.sub: substitution rules
- bom/avx.gen, bom/johanson.gen, bom/tdk.gen, bom/yageo-cap.gen: part number
translators for capacitors
