Björn Sellberg
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- The combi heat store— a combined rock cavern/borehole heat store. Dans: Tunnelling and Underground Space Technology, v. 9, n. 2 (avril 1994). (1994):
- Environmental benefits: a key to increased underground space use in urban planning. Dans: Tunnelling and Underground Space Technology, v. 11, n. 4 (octobre 1996). (1996):