Global assessment of the impact of plant protection products on soil functions and soil ecosystems : intergovernmental technical panel on soils of the global soil partnership . Rome :  Food and Agriculture Organization of the United Nations , 2017 . 31, [1] s . ISBN 978-92-5-130031-2
http://www.fao.org/documents/card/en/c/I8168EN/ . [1, of that borrowed 0]