Helix-type antenna and its manufacturing process European Patent, publication number: 0320404A1, 14 Juin, 1989. ,
Meander line technique for size reduction of quadrifilar helix antenna, IEEE Antennas and wireless propagation letters, pp.109-111, 2002. ,
DOI : 10.1109/LAWP.2002.806051
A size reduced configurations of printed quadrifilar helix antenna Antenna Technology: Small Antennas and Novel Metamaterials, pp.326-328, 2005. ,
NEC 4 analysis of a fractalized monofilar helix in an axial mode, Conference proceedings, 14th Annual review of progress in Applied Computational Electromagnetics at the Naval Postgraduate School, 1998. ,
Chaos and Fractals: New Frontiers of Science, 1992. ,