We need the full-text of the following article for our facuty member. Some issues on intuitionistic fuzzy aggregation operators based on Archimedean t-conorm and t-norm Original Research Article Knowledge-Based Systems, Volume 31, July 2012, Pages 78-88 Meimei Xia, Zeshui Xu, Bin Zhu -- Arup Raychaudhury ------------------------------------------------- Indian Statistical Institute 203 BT Road Kolkata 700108 Phone:0-33-2575-2106 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.