Dear friends, kindly send the below article if you have access. 1. Rainbow connection numbers of line graphs, middle graphs and total graphs 2013, Volume 42, Issue Number: 12 http://www.ceser.in/ceserp/index.php/ijamas/issue/view/89 http://www.ceser.in/ceserp/index.php/ijamas/article/view/914 * Mahesh.Y Librarian,SPCE, Bangalore.* -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.