@article{Bakels_1997,
title={The beginnings of manuring in western Europe},
volume={71},
ISSN={1745-1744},
url={http://dx.doi.org/10.1017/s0003598x00085057},
DOI={10.1017/s0003598x00085057},
number={272},
journal={Antiquity},
publisher={Cambridge University Press (CUP)},
author={Bakels,
C. C.},
year={1997},
month=jun,
pages={442–445} }