@article{1019633,
author = "Karl Hans Wedepohl",
journal = "Schriftenreihe der Forstlichen Fakult{\"a}t der Universit{\"a}t G{\"o}ttingen",
month = "1963",
pages = "253-260",
title = "{D}as {A}lter der {E}rde",
volume = "33",
year = "1963",
}