@inbook{ffe4258d1b1549ea91daec43655f898a,
title = "Preface",
keywords = "activity, engineering geology, laboratory, activity, engineering geology, laboratory, activity, engineering geology, laboratory",
author = "Heikki Niini",
year = "2000",
language = "English",
volume = "2000",
series = "Laboratory of Engineering Geology and Geophysics, Communication",
publisher = "Helsinki University of Technology",
number = "TKK-IGE-D-49",
pages = "5--6",
booktitle = "Laboratory of Engineering Geology and Geophysics Annual Report 1999",
address = "Finland",
edition = "49",
}