Media type: E-Article Title: Analysis of collapses on tunnel construction sites on the new lines of the German Federal Railway Contributor: Leichnitz, Wolfhard Published: Elsevier BV, 1990 Published in: Tunnelling and Underground Space Technology, 5 (1990) 3, Seite 199-203 Language: English DOI: 10.1016/0886-7798(90)90007-7 ISSN: 0886-7798 Origination: Footnote: