@article{a79014d63414437cb31273bde3ff5906,
title = "Diffusive gradients in thin films as a reference method for assessing soil phosphorus by visual and near-infrared spectroscopy",
author = "\{van Maarschalkerweerd\}, Marie and Songjuan Gao and Jinshun Bai and S{\o}ren Husted and Weidong Cao and Holm, \{Peter Engelund\}",
year = "2016",
doi = "10.2134/jeq2016.05.0195",
language = "English",
volume = "45",
pages = "2060--2066",
journal = "Journal of Environmental Quality",
issn = "0047-2425",
publisher = "American Society of Agronomy",
number = "6",
}