http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
WQED (Television station : Pittsburgh, Pa.)
1 videocassette (90 min.) : sound, color ; 1/2 in.
Presents 100 years of explorations participated in or chronicled by the National Geographic Society.
produced by the National Geographic Society and WQED Pittsburgh ; written and produced by Nicholas Noxon.
Original photography by Steve Burns ; edited by Barry Nye ; music by Lee Holdridge.