000			00480nam a2200145 a 4500
005			20220228110744.0
035			_aF8901000717662
084			_aIRE SO-11 1962
100			_aGudzin, M.G.
245			_aSeismological observatories / by M. G. Gudzin and E.G. Hull-e.
260			_aEstados Unidos : IRE
300			_a10 p.
500			_a"Reprinted from the Proceedings of the IRE, Vol.50,No.11,no-vember, 1962".
690			_aObservatorios sismologicos - Caracteristicas - Descripcion.
999			_c64180 _d64180