Ahmed, N., S. A. Aljunid, R. B. Ahmad, H. A. Fadil, and M. A. Rashid. “Novel OCDMA Detection Technique Based on Modified Double Weight Code for Optical Access Network”. Elektronika Ir Elektrotechnika, vol. 18, no. 8, Oct. 2012, pp. 117-21, doi:10.5755/j01.eee.18.8.2638.