Всесоюзный назгчно исследовательский , проектно конструк торский институт осушению месторождений полезных ископаемых, специальным горным работам рудничной геологии , маркшейдерскому делу
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An attempt to determine the longitudinal drift of PC 1 pulses(Longitudinal source drift measure of PC 1 geomagnetic micropulsation source by signal correlation of spaced receivers)