01099agm a2200301u 4500 996057130102311 20260227104059.0 mr-caaad 850104q19801984xx 024u r 0mleng d (TU)000605713UTK01 637217 (OCoLC)11546444 TKN TKN tknk QE523.E8 L8 QE523.E8L8 Lavas of Etna [motion picture] / produced by BBC-TV/Open Univerisity. San Diego, Calif. : Media Guild, [198-] 1 film reel (24 min.) : sd., col. ; 16 mm. / 1 guide (1 p. ; 28 cm.) Cataloging information from guide. Reviews the form and the structural complexity of Mount Etna, as well as the historic evoluation of the lava and ash tupes that comprise the mountain's mantle. Etna, Mount (Italy) Open University. British Broadcasting Corporation. Television Service. Media Guild. primo 211 211