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The landslide of February, 1959, at Vibstad in Namdalen. | Article | Hutchinson, J.N. | Norwegian Geotechnical Institute, Oslo. Publication, 061, pp. 1-16. | 1965 |
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Skredene i Namdalen 1959. : The slides in Namdalen 1959. | Article | Kirkedam, R. | Norwegian Geotechnical Institute, Oslo. Publication 040, pp. 39-43. | 1961 |