• http://ftp.informatik.rwth-aachen.de/dblp/db/"
• http://ieeexplore.ieee.org/lpdocs/epic03/ IEEE
• http://www.ei.org/ev2/home
• http://www.cs.columbia.edu/~hgs/netbib/
• http://cora.whizbang.com/
• http://portal.acm.org/dl.cfm ACM
• http://citeseer.nj.nec.com/cs NEC
• UGA Libraries
• http://www.engineeringvillage2.org