00686nam a2200193Ia 4500003000900000008004100009040001600050080001500066110005300081245006600134260006100200300001500261650004100276650003800317650001800355942000700373999001500380952009700395IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a550.3bNGR  aIndia. National Geophysical Research Board96929 0aOn upper mantle projectcNational Geophysical Research Board   aHyderabadbNational Geophysical Research Institutec1970  axli, 604p.  aAstronomy and astrophysics thesaurus  aExtragalactic radio sources93899  aQuasars91096  cBK  c3892d3892  00104070aBANbKODcGENd1972-04-05l0o550.3/ NGRp4347r2021-11-05w1972-04-05yBKGFree