00513nam a2200157Ia 4500003000900000008004100009040001600050080001500066110004700081245006600128260006100194300001500255650004100270650003200311650001200343IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a550.3bNGR  aIndia. National Geophysical Research Board 0aOn upper mantle projectcNational Geophysical Research Board   aHyderabadbNational Geophysical Research Institutec1970  axli, 604p.  aAstronomy and astrophysics thesaurus  aExtragalactic radio sources  aQuasars