Waubonsee Community College

631.4/9

Type

http://bibfra.me/vocab/lite/Category

Label

631.4/9

Code

631.4/9

Source

ddc

Defined by

ddc

Actions

Incoming Resources

Classification of
2
- Dirt, the erosion of civilizations, David R. Montgomery
- Dirt!, the movie, Common Ground Media, Inc. presents ; a film by Bill Benenson and Gene Rosow ; produced by Bill Benenson, Gene Rosow, Eleonore Dailly ; directed by Bill Benenson and Gene Rosow ; co-director, Eleonore Dailly

Outgoing Resources

Defined by
1
- ddc