@article{article8cd9932d,
title   = {Physiological and biochemical effects of rare earth elements on plants and their agricultural significance: a review},
author = {Zhengyi Hu and Richter, H. and Sparovek, Gerd and Schnug, E.},
year = {2004},
doi = {10.1081/pln-120027555},
journal   = {Journal of Plant Nutrition}
}