@article{d5f277497c77438c83a6caebcf35525c,
title = "Visual soil evaluation: reproducibility and correlation with standard measurements",
author = "Leeuwen, \{Maricke van\} and Gerard Heuvelink and Jakob Wallinga and Boer, \{Imke De\} and Dam, \{Jos van\} and Essen, \{Everhard A. van\} and Moolenaar, \{Simon W.\} and Verhoeven, \{Frank P.M.\} and Jetse Stoorvogel and Stoof, \{Cathelijne R.\}",
year = "2018",
month = may,
day = "1",
doi = "10.1016/j.still.2017.11.012",
language = "English",
volume = "178",
pages = "167--178",
journal = "Soil \& Tillage Research",
publisher = "Elsevier B.V.",
}