Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved. Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved. Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved. Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved. Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved. Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved. Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved. Maidl, Bernhard, Thewes, Markus, and Maidl, Ulrich. Handbook of Tunnel Engineering I : Structures and Methods. Somerset, NJ, USA: John Wiley & Sons, 2013. ProQuest ebrary. Web. 15 March 2016. Copyright © 2013. John Wiley & Sons. All rights reserved.
