Health effects to hazardous materials [videorecording] /
written and directed by Becky Koppenhaver, Marc Ostrick, David Weisman ;produced by David Weisman
- United Kingdom : Intelecom, 1999
- 1 videocassette (VHS) (29 min.) : sd., col. ; 1/2 in.
- Preserving the legacy [videorecording] .