✦ LIBER ✦
Subways tunnels in an area of mining subsidence in Gelsenkirchen, RUHR district, Germany : Duddeck, H; Hollman, F; Kotulla, B Paper to Tunnelling '76 conference, London, 1–5 March, 1976, P381–390, disc P404–410
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 125 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0148-9062
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