00963agm a2200277u 4500 994380560102311 20260227104058.0 mrrcaaad 830204s1981 cau024u r 0mleng d (TU)000438056UTK01 462559 (OCoLC)09188424 TKN TKN tknk QE511.7 .S7 QE511.7.S7 Spreading oceans [motion picture] / produced by BBC-TV, Open University. San Diego, Calif. : Media Guild, 1981. 1 film reel (24 min.) : sd., col. ; 16 mm. + 1 guide. Cataloging information taken from guide. Presents evidence supporting the concept of sea-floor spreading and the movement and distribution of techtonic plates. Sea-floor spreading. British Broadcasting Corporation. Television Service. Open University. primo 85 85