ER UMa paper published The letter paper about discovery of negative superhumps in ER UMa, which is greatly due to observers of VSNET, is published (PASJ 64, L3). PASJ enables us to read the latest issue of PASJ freely. Thus we can read this letter paper from the folloeing URL; http://pasj.asj.or.jp/v64/n4/64L003/64l003.pdf