(...) Hmm. Interesting idea. So part 3937 (URL) might have an entry like: 0 ASSOCIATE 3938 6134 and part 3938 (URL) might have: 0 ASSOCIATE 3937 2440 (of course, these examples capture information that otherwise might be captured by a connectivity (...) (22 years ago, 24-Jul-02, to lugnet.cad.dev.org.ldraw)