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Earth, air and sun: what can be learned them from seismology and terrestrial magnetism
Authors: N. H. Heck
Citation: N. H. Heck, Earth, air and sun: what can be learned them from seismology and terrestrial magnetism, Scientia rivista di scienza , 66, 1939, pp. 1-10
The earthquake problem
Authors: N. H. Heck
Citation: N. H. Heck, The earthquake problem, Scientia rivista di scienza , 60, 1936, pp. 136-142
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