00906nam a22001337a 450000500170000000800410001704000100005808200240006824501860009226000520027830000490033052003600037965000330073920220623064124.0220623b        |||||||| |||| 00| 0 eng d  cgslrc  aDVD 551.21 U18 2003  aThe ultimate guide :bvolcanoes /c[Videorecording] directed by Brando Quilici; written by Robert Golberg; produced by Brando Quilici Productions and Digital Source Pictures, Ltd.    aSilver Spring, Md :bDiscovery Channel, c2003.  a1 videodisc (50 min): sd.: col.; 4 3/4 in.    aLooks at ways and means volcanologists predict volcanic eruptions. Watch as they put those theories to the test at the summit of smoldering Mount Tungurahua in Ecuador. It's a high-stakes game of man versus the mountain; because if any of these theories prove correct, they could help forecast future volcanic activity and save lives all over the planet.   2Volcanic activity prediction