Efficient block LS design of FIR filters with linear phase. - Nicholas Kalouptsidis; George D. Koyas (IEEE Trans. Acoust. Speech Signal Process., 1985)

Interference rejection in PN spread-spectrum systems with LS linear phase FIR filters. - Sergios Theodoridis; Nicholas Kalouptsidis; John G. Proakis; George D. Koyas (IEEE Trans. Commun., 1989)