Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) A. Oyanagi and T. Nakamoto and S. Morita,The gravitropic response of roots and the shaping of the root system in cereal plants,Environmental and Experimental Botany,0098-8472,Elsevier BV,1993-01,33,1,141-158,https://cir.nii.ac.jp/crid/1360011144610083968,https://doi.org/10.1016/0098-8472(93)90062-k