Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) STEMPEL A. and WESTLEY J. W. and BENZ W.,"THE IDENTITY OF THE ANTIBIOTICS NIGERICIN, POLYETHERIN A AND X-464",The Journal of Antibiotics,00218820,JAPAN ANTIBIOTICS RESEARCH ASSOCIATION,1969,22,8,384-385,https://cir.nii.ac.jp/crid/1390282679131539200,https://doi.org/10.7164/antibiotics.22.384