1. Hirai, Seikai, Kashima, Shimoda, Motokami, Toda and Watanabe, Optical cable splicing, Technical Report of I.E.C.E., Japan, CS78-175 (Dec. 1978).
2. Optical fiber jointing technique;Bisbee;Bell Syst. Tech. J.,1971
3. Optical fiber splicing technique with a CO2 laser;Fujita;Appl. Opt.,1976
4. Splicing silica fibers with an electric arc;Bisbee;App. Opt.,1976
5. Hot splice of optical waveguide fibers;Kohanzadeh;Appl. Opt.,1976