Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKANO Tamon and TSUKUDA Tetsuya and YASUMOTO Motoki and IKEDA Keigo and ANDOU Shigeki,Appropriate Unit of Measurement to Quantify the Contamination of Beaches by Synthetic Marine Debris,Journal of Environmental Chemistry,09172408,Japan Society for Environmental Chemistry,2011,21,1,69-74,https://cir.nii.ac.jp/crid/1390282679345878016,https://doi.org/10.5985/jec.21.69