Egor S. Sogomonyan Daniel Marienfeld Vitalij Ocheretnij Michael Gössel A New Self-Checking Sum-Bit Duplicated Carry-Select Adder. 1360-1361 2004 conf/date/2004 DATE http://csdl.computer.org/comp/proceedings/date/2004/2085/02/208521360abs.htm db/conf/date/date2004-2.html#SogomonyanMOG04