@article{gledocs_11858_00-1735-0000-0001-B9CF-9,
author = {Wirtz, Daniel and Illies, Henning},
title = {Plio-Pleistozängrenze und Günzeiszeit in Nordwestdeutschland},
year = {1951-06-01},
volume = {01},
number = {1},
publisher = {Geozon Science Media},

series = {E&G – Quaternary Science Journal},
note = { \url {http://hdl.handle.net/11858/00-1735-0000-0001-B9CF-9}},
}