@book{207167,
	author = {Johnson, Alan. and Arbeitskreis "Pfähle."},
	title = {Recommendations on Piling (EA Pfhle) /},
	publisher = {Wiley,},
	year = {2013.},
	series = {Ernst & Sohn Series on Geotechnical Engineering},
	address = {Hoboken :},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9783433604113}
}