00815cam a22002652 4500 13310 BD-RjUL 20211208235432.0 140130s1972 fr 000 0 eng d OCLC ocm00719806 from D971029M (BD-RjUL)13361 PIT PIT EQO BD-RjUL eng eng 21 551.21 UNS 1972 AS4.U8 A15 SC.70/XVII.8/A Unesco. 41452 The surveillance and prediction of volcanic activity : a review of methods and techniques / Unesco. Paris : Unesco, c1972. l66 p. : illus. ; 28 cm. Earth sciences, 8. Includes bibliographies. Volcanoes. 41446 8. 41453 Earth sciences, 41454 ddc BK 13310 13310 0 0 ddc 0 1 RUCL RUCL Reading 1982-09-01 UNESCO 0.00 0 551.21 UNS 1972 2014-01-30 00:00:00 C-1 2014-01-30 BK