Constantin Paleologu Felix Albu Andrei Alexandru Enescu Silviu Ciochina Square-Root-Free QRD-LSL Adaptive Algorithm with Improved Numerical Robustness. 572-577 2008 ICN http://doi.ieeecomputersociety.org/10.1109/ICN.2008.48 conf/icn/2008 db/conf/icn/icn2008.html#PaleologuAEC08