@book{689cdc86cdf84140b30ca5c5549b8e8b,
title = "Pumping Power. Rock quality of chalk in the Stevns 1 drill core and possibilities of finding higher strength chalk at depth: Evidence from Hobro-1 and Stenlille-6 sonic logs. Rock quality of chalk in Stevns 1, Hobro-1 and Stenlille-6",
keywords = "Denmark, Denmark",
author = "Christian Knudsen and Schovsbo, {Niels Hemmingsen} and Anders Mathiesen",
year = "2010",
month = jun,
day = "3",
doi = "10.22008/gpub/28349",
language = "English",
volume = "2010",
series = "Danmarks og Gr{\o}nlands Geologiske Unders{\o}gelse Rapport",
publisher = "GEUS",
number = "45",
}