00956cam a22002772 450000100060000000300080000600500170001400800410003103500510007204000320012304100080015508200250016309000310018811000190021924501060023826000290034430000310037349000240040450400290042865000220045783000140047983000270049394200120052099900170053295201290054913310BD-RjUL20211208235432.0140130s1972 fr 000 0 eng d aOCLC ocm00719806 from D971029Ma(BD-RjUL)13361 aPITcPITdEQOdBD-RjULbeng aeng00221a551.21bUNS 1972 aAS4.U8bA15 SC.70/XVII.8/A1 aUnesco.94145204aThe surveillance and prediction of volcanic activity :ba review of methods and techniques /cUnesco. aParis :bUnesco,cc1972. al66 p. :billus. ;c28 cm.1 aEarth sciences,v8. aIncludes bibliographies. 0aVolcanoes.941446 0v8.941453 0aEarth sciences,941454 2ddccBK c13310d13310 00102ddc4071aRUCLbRUCLcReadingd1982-09-01eUNESCOg0.00l0o551.21 UNS 1972r2014-01-30 00:00:00tC-1w2014-01-30yBK