Gejser: Forskelle mellem versioner

*[http://news.bbc.co.uk/2/hi/science/nature/6320565.stm 2 February 2007, ing.dk: Concrete 'to stem Java mud flow'] Citat: "...The disaster, which began on 29 May 2006 in the Porong subdistrict of Sidoarjo in Eastern Java, close to Indonesia's second city of Surabaya, is thought to have been triggered by the drilling work..."

 

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