|aThe explorers :|ba century of discovery|h[videorecording] /|cproduced by the National Geographic Society and WQED Pittsburgh ; written and produced by Nicolas Noxon.
|aWashington, D.C. :|bNational Geographic Society ;|aTaipei :|bERA,|c1990.
|a1 videocassette (87 min.) :|bsd., col. ;|c1/2 in.
|aNational Geographic video.
|aClosed-captioned for the hearing impaired.
|aOriginally released in 1984 as part of the National Geographic Society Special television series.
|aTaped off-air with permission.
|aEditor, Barry Nye ; music, Lee Holdridge.
|aPresents major explorations and discoveries of the 20th century in celebration of the Society's 100th anniversary. Introduces some of the world's great explorers and expeditions including trips to the North and South Pole, a motorized expedition across Asia and a balloon voyage into the stratosphere.