TY  - ADVS
AU  - Gass,I.G.
AU  - Francis,P.W.
ED  - Open University
TI  - Volcanoes and volcanic rocks
PY  - 1973///
CY  - Milton Keynes
PB  - Open University
KW  - Volcanoes
N1  - In the progrmme we look at a variety of volcanoes, Hawaii in the Pacific, Etna in the Mediterranean and two in Mexico, Popocatepetl & paricutin which is the most recently active volcano in that area; Backup available in U-matic 3/4 in; Bahan rosak (Lupus)
ER  -